US3307895A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Food tray cart
Assignee: Individual
•
Filing: 1965-10-20
•
Granted: 1967-03-07
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Expires: 1985-10-20
Abstract
No abstract record available.
Inventors
- 👤 Frank J Renner
- 👤 William M Renner
- 👤 George B Renner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:26
CPC Classifications
B; B62; B62B; B62B3/00; A; A47; A47B; A47B31/00; B62B5/00; B62B5/0006; A47B2031/003; B62B2204/00; B62B2204/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
147 words
A FOOD TRAY CART COMPRISING A BASE MEMBER, AN ENCLOSURE MOUNTED ON SAID BASE MEMBER, REMOVABLE TRAY SUPPORTING RACKS DISPOSED WITHIN SAID ENCLOSURE, AND SLIDABLY MOUNTED DOOR MEANS FORMING ONE SIDE WALL OF SAID ENCLOSURE TO PROVIDE ACCESS TO SAID TRAY SUPPORTING RACKS, A PAIR OF TRACKS LOCATED ABOVE SAID SLIDING DOOR MEANS, SAID SLIDING DOOR MEANS INCLUDING A MIDDLE DOOR AND TWO END DOORS, SAID DOORS EACH COMPRISING A PAIR OF PAN-SHAPED SHEET METAL ELEMENTS TELESCOPED ONE INTO THE OTHER, AND A PANEL OF FIBROUS MATERIAL ENCLOSED WITHIN SAID PAN-SHAPED ELEMENTS, A FIRST TROLLEY MEANS SUPPORTING SAID MIDDLE DOOR FROM ONE OF SAID TRACKS, AND SECOND AND THIRD TROLLEY MEANS SUPPORTING SAID END DOORS FROM THE OTHER OF SAID TRACKS TO PERMIT SLIDING MOVEMENT OF ANY ONE OF SAID THREE DOORS INTO A POSITION WHERE IT OVERLAPS ANOTHER ONE OF SAID DOORS, AND MEANS PREVENTING SLIDING
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |