PTO Wrapper PDF
Dossier Espace Google
Patent
   D313298
Priority
Dec 23 1987
Filed
Mar 09 1988
Issued
Dec 25 1990
Expiry
Dec 25 2004
Inventors
Elmas, Cet…
Assg.orig
POST OFFIC…
Assg.curr
Consignia …
Entity
unknown
Referenced by
16
References
15
Maint.:
n/a
The ornamental design for spiral chute, as shown and described.

FIG. 1 is a front elevational view of a spiral chute showing our new design;

FIG. 2 is a side elevational view thereof; and

FIG. 3 is a top plan view thereof.

A portion of the spiral chute is shown broken away to indicate indeterminate length.
INVENTORS:

Elmas, Cetin B., Tolond, David

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D327759, Jan 26 1990 Spiral conveyer unit
D629582, May 27 2009 PLANTAGON INTERNATIONAL AB Transportation device for plants to be used in a greenhouse
D712618, May 30 2013 McCain Foods Limited Root vegetable product
D722417, May 30 2013 McCain Foods Limited Root vegetable product
D725343, May 30 2013 McCain Foods Limited Root vegetable product
D729492, May 30 2013 McCain Foods Limited Root vegetable product
D742091, May 30 2013 McCain Foods Limited Root vegetable product
D745245, May 30 2013 McCain Foods Limited Root vegetable product
D759774, Mar 05 2015 MARTIN & VLEMINCKX LTD Tracks for amusement rides
D762341, May 30 2013 McCain Foods Limited Root vegetable product
D806263, Jun 10 2016 MARTIN & VLEMINCKX LTD Tracks for an observation tower
D834726, Jun 10 2016 MARTIN & VLEMINCKX LTD Observation tower
D890442, Sep 28 2018 PETSMART HOME OFFICE, INC Spiral ramp for small animal habitat
D970148, Jul 06 2021 Lamb Weston, Inc.; Lamb-Weston/Meijer V.O.F. Cut potato product
ER4984,
ER6214,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
1256724,
1784272,
1802089,
1928459,
1959736,
3565226,
3755878,
3976176, May 22 1975 Spiral chute device
4726456, Jun 04 1986 J RICHARD INDUSTRIES, L P Braking system for a molded fiberglass spiral chute
803119,
973921,
CA54248,
D296489, May 20 1985 Consignia PLC Spiral chute
FR1370043,
JP59227613,
ASSIGNMENT RECORDS    Assignment records on the USPTO
////
Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 24 1988ELMAS, CETIN B POST OFFICE, THEASSIGNMENT OF ASSIGNORS INTEREST 0048720119 pdf
Feb 24 1988TOLOND, DAVIDPOST OFFICE, THEASSIGNMENT OF ASSIGNORS INTEREST 0048720119 pdf
Mar 09 1988The Post Office(assignment on the face of the patent)
Mar 23 2001The Post OfficeConsignia PLCASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0120590640 pdf
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule