Patent US3104141A successfully refreshed from Google Patents.
US3104141A
Expired / Lapsed
US
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Device for distributing trays of food
Assignee: Air France SA
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Filing: 1961-06-29
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Granted: 1963-09-17
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Expires: 1981-06-29
Abstract
No abstract record available.
Inventors
- 👤 Roulina Jean-Claude Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:21
CPC Classifications
A; A47; A47B; A47B31/00; A47B31/02; B; B65; B65G; B65G1/00; B65G1/02; B65G1/04; B65G1/06; B65G1/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A DEVICE DISTRIBUTING TRAYS, COMPRISING AN UPRIGHT CASING OPEN AT THE TOP, MEANS AT THE BASE OF THE CASING FOR MOVING THE CASING, A PLATFORM VERTICALLY DISPLACEABLE IN THE CASING AND INTENDED TO SUPPORT AT LEAST ONE COLUMN OF A STACK OF TRAYS TO BE DISTRIBUTED, RESILIENT MEANS FOR EXERTING AN UPWARD FORCE ON SAID PLATFORM TO TEND TO RAISE SAID PLATFORM AND COMPRISING A NUMBER OF RESILIENT BANDS ONE END OF EACH OF WHICH IS ATTACHED TO SAID PLATFORM TO EXERT AN UPWARD PULL ON THE PLATFORM, A SINGLE ELEMENT PROVIDED IN THE CASING TO WHICH THE OTHER END OF EACH OF SAID BANDS IS CONNECTED, AND MEANS FOR ADJUSTING SAID ELEMENT RELATIVE TO THE CASING DURING OPERATION OF THE DEVICE TO REGULATE AND VARY THE TENSION OF THE BANDS AND THUS THE FORCE EXERTED BY THE BANDS ON THE PLATFORM.
Claim 2
Independent Claim
142 words
A DEVICE DISTRIBUTING TRAYS, COMPRISING AN UPRIGHT CASING OPEN AT THE TOP, MEANS AT THE BASE OF THE CASING FOR MOVING THE CASING, A PLATFORM VERTICALLY DISPLACEABLE IN THE CASING AND INTENDED TO SUPPORT AT LEAST ONE COLUMN OF A STACK OF TRAYS TO BE DISTRIBUTED, RESILIENT MEANS FOR EXERTING AN UPWARD FORCE ON SAID PLATFORM TO TEND TO RAISE SAID PLATFORM AND COMPRISING A NUMBER OF RESILIENT BANDS ONE END OF EACH OF WHICH IS ATTACHED TO SAID PLATFORM TO EXERT AN UPWARD PULL ON THE PLATFORM, A SINGLE ELEMENT PROVIDED IN THE CASING TO WHICH THE OTHER END OF EACH OF SAID BANDS IS CONNECTED, AND MEANS FOR ADJUSTING SAID ELEMENT RELATIVE TO THE CASING DURING OPERATION OF THE DEVICE TO REGULATE AND VARY THE TENSION OF THE BANDS AND THUS THE FORCE EXERTED BY THE BANDS ON THE PLATFORM.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |