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Patent
   D261413
Priority
Oct 01 1979
Filed
Oct 01 1979
Issued
Oct 20 1981
Expiry
Oct 20 1995
Inventors
Eddleman, …
Assg.orig
Assg.curr
Entity
unknown
Referenced by
6
References
5
Maint.:
n/a
The ornamental design for a vacuum filter, as shown.

FIG. 1 is a perspective view of the vacuum filter showing my new design.

FIG. 2 is a side elevational view thereof.

FIG. 3 is a top plan view thereof.

FIG. 4 is a bottom plan view thereof.
INVENTORS:

Eddleman, Roy T.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D270947, Mar 02 1981 Manufacturers Hanover Trust Company Unitary, disposable filter unit
D334228, Jan 30 1990 Vacuum filter for thick liquids
D776295, Nov 04 2014 CHARLES RIVER LABORATORIES, INC Base
D797503, May 25 2015 BISIO PROGETTI S P A Beverage capsule
D983314, Jan 06 2021 Embedded Steps LLC Funnel
D984581, Nov 12 2018 LAB SOCIETY LLC Cold trap insert
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
2449238,
3437211,
65515,
142255,
153202,
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