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Patent
   D269903
Priority
Oct 24 1980
Filed
Oct 24 1980
Issued
Jul 26 1983
Expiry
Jul 26 1997
Inventors
Quandt, Ro…
Assg.orig
SYBRON COR…
Assg.curr
Manufactur…
Entity
unknown
Referenced by
2
References
5
Maint.:
n/a
The ornamental design for a vacuum firing porcelain furnace, substantially as shown and described.

FIG. 1 is a top plan view of a vacuum firing porcelain furnace showing my design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a left side elevation view thereof; and

FIG. 4 is a right side elevation view thereof.

The rear surface of the vacuum firing porcelain furnace is substantially planar and unornamented. _
INVENTORS:

Quandt, Robert S.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D283046, Apr 22 1983 Minnesota Mining and Manufacturing Company Dental furnace
D287757, Feb 21 1984 Dentsply Research & Development Corp.; Dentsply Research & Development Corp Ceramming furnace
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
2266735,
2354127,
3128326,
3403212,
3441652,
ASSIGNMENT RECORDS    Assignment records on the USPTO
///////////////////////////
Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 15 1980QUANDT ROBERT S SYBRON CORPORATION, A CORP OF NYASSIGNMENT OF ASSIGNORS INTEREST 0038330718 pdf
Oct 24 1980Sybron Corporation(assignment on the face of the patent)
Jul 31 1986Sybron CorporationTHERMOLYNE HOLDINGS, INC , A CORP OF DE ASSIGNMENT OF ASSIGNORS INTEREST 0046100379 pdf
Oct 20 1987THERMOLYNE CORPORATIONManufacturers Hanover Trust CompanyASSIGNMENT OF ASSIGNORS INTEREST 0048340513 pdf
Oct 20 1987BARNSTEAD COMPANYManufacturers Hanover Trust CompanyASSIGNMENT OF ASSIGNORS INTEREST 0048340513 pdf
Oct 20 1987Ormco CorporationManufacturers Hanover Trust CompanyASSIGNMENT OF ASSIGNORS INTEREST 0048340513 pdf
Oct 20 1987Erie Scientific CompanyManufacturers Hanover Trust CompanyASSIGNMENT OF ASSIGNORS INTEREST 0048340513 pdf
Oct 20 1987Nalge CompanyManufacturers Hanover Trust CompanyASSIGNMENT OF ASSIGNORS INTEREST 0048340513 pdf
Oct 20 1987Kerr Manufacturing CompanyManufacturers Hanover Trust CompanyASSIGNMENT OF ASSIGNORS INTEREST 0048340513 pdf
Oct 20 1987MEXOSERV COMPANYManufacturers Hanover Trust CompanyASSIGNMENT OF ASSIGNORS INTEREST 0048340513 pdf
Oct 20 1987BOTHNIA HOLDINGS, INC Manufacturers Hanover Trust CompanyASSIGNMENT OF ASSIGNORS INTEREST 0048340513 pdf
Oct 20 1987THERMOLYNE HOLDINGS, INC Manufacturers Hanover Trust CompanyASSIGNMENT OF ASSIGNORS INTEREST 0048340513 pdf
Oct 20 1987SAC RESIDUAL, INC Manufacturers Hanover Trust CompanyASSIGNMENT OF ASSIGNORS INTEREST 0048340513 pdf
Oct 20 1987SAC THERMOLYNE, INC Manufacturers Hanover Trust CompanyASSIGNMENT OF ASSIGNORS INTEREST 0048340513 pdf
Oct 20 1987SAC BARNSTEAD, INC Manufacturers Hanover Trust CompanyASSIGNMENT OF ASSIGNORS INTEREST 0048340513 pdf
Oct 20 1987SAC THERMO-BARN, INC Manufacturers Hanover Trust CompanyASSIGNMENT OF ASSIGNORS INTEREST 0048340513 pdf
Oct 20 1987SAC ORMCO, INC Manufacturers Hanover Trust CompanyASSIGNMENT OF ASSIGNORS INTEREST 0048340513 pdf
Oct 20 1987SAC ERIE, INC Manufacturers Hanover Trust CompanyASSIGNMENT OF ASSIGNORS INTEREST 0048340513 pdf
Oct 20 1987SAC NALGE, INC Manufacturers Hanover Trust CompanyASSIGNMENT OF ASSIGNORS INTEREST 0048340513 pdf
Oct 20 1987SAC KERR, INC Manufacturers Hanover Trust CompanyASSIGNMENT OF ASSIGNORS INTEREST 0048340513 pdf
Oct 20 1987SAC CK, INC Manufacturers Hanover Trust CompanyASSIGNMENT OF ASSIGNORS INTEREST 0048340513 pdf
Jul 01 1993ERIE SCIENTIFIC COMPANY A CORP OF DELAWAREChemical BankSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0066670903 pdf
Jul 01 1993NALGE COMPANY A CORP OF DELAWAREChemical BankSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0066670903 pdf
Jul 01 1993KERR MANUFACTURING A CORP OF DELAWAREChemical BankSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0066670903 pdf
Jul 01 1993ORMCO CORP A CORP OF DELAWAREChemical BankSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0066670903 pdf
Jul 01 1993SYBRON CORP Chemical BankSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0066670903 pdf
Jul 01 1993BARNSTEAD THERMOLYNE CORP A CORP OF DELAWAREChemical BankSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0066670903 pdf
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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