Patent US3178903A successfully refreshed from Google Patents.
US3178903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Food preserver
Assignee: Individual
•
Filing: 1963-05-31
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Granted: 1965-04-20
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Expires: 1983-05-31
Abstract
No abstract record available.
Inventors
- 👤 Proctor Laura May
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:33
CPC Classifications
F; F25; F25D; F25D3/00; F25D3/12; F25D3/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
206 words
A FOOD PRESERVER COMPRISING A MAIN CONTAINER OPEN AT ITS TOP AND HAVING A BOTTOM AND A SIDE WALL, AN AUXILIARY CONTAINER FOR A REFRIGERANT IN THE LOWER PORTION OF THE MAIN CONTAINER OPEN AT ITS TOP AND HAVING ITS TOP SURROUNDED BY A FLANGE HAVING MARGINAL CONTACT WITH SIDE WALL OF THE MAIN CONTAINER, SAID AUXILIARY CONTAINER BEING SPACED FROM THE BOTTOM AND SIDE WALL OF THE MAIN CONTAINER, INSULATION FILLING SPACE BETWEEN THE AUXILIARY CONTAINER AND THE SIDE WALL AND BOTTOM OF THE MAIN CONTAINER, A REMOVABLE COVER FOR THE UPPER END OF THE AUXILIRY CONTAINER HAVING A DEPENDING FLANGE SCREWED INTO ENGAGEMENT THE WALL OF THE AUXILIARY CONTAINER, A PLATFORM IN THE MAIN CONTAINER HAVING DEPENDING LEGS SPACED FROM EACH OTHER ABOUT ITS PERIPHERY AND RESTING UPON THE FLANGE OF THE REFRIGERANT CONTAINER TO SUPPORT THE PLATFORM IN AN ELEVATED POSITION, SAID PLATFORM BEING SPACED FROM THE WALL OF THE MAIN CONTAINER AND BEING FORMED WITH AN OPENING AT ITS CENTER, FOOD CONTAINERS IN THE UPPER PORTION OF THE MAIN CONTAINER RESTING UPON SAID PLATFORM, SAID FOOD CONTAINERS TERMINTING FLUSH WITH THE UPPER EDGE OF THE MAIN CONTAINER AND A REMOVABLE COVER FOR THE UPPER END OF THE MAIN CONTAINER AND AUXILIARY CONTAINERS.
Claim 2
Dependent Claim
206 words
A FOOD PRESERVER COMPRISING A MAIN CONTAINER OPEN AT ITS TOP AND HAVING A BOTTOM AND A SIDE WALL, AN AUXILIARY CONTAINER FOR A REFRIGERANT IN THE LOWER PORTION OF THE MAIN CONTAINER OPEN AT ITS TOP AND HAVING ITS TOP SURROUNDED BY A FLANGE HAVING MARGINAL CONTACT WITH SIDE WALL OF THE MAIN CONTAINER, SAID AUXILIARY CONTAINER BEING SPACED FROM THE BOTTOM AND SIDE WALL OF THE MAIN CONTAINER, INSULATION FILLING SPACE BETWEEN THE AUXILIARY CONTAINER AND THE SIDE WALL AND BOTTOM OF THE MAIN CONTAINER, A REMOVABLE COVER FOR THE UPPER END OF THE AUXILIRY CONTAINER HAVING A DEPENDING FLANGE SCREWED INTO ENGAGEMENT THE WALL OF THE AUXILIARY CONTAINER, A PLATFORM IN THE MAIN CONTAINER HAVING DEPENDING LEGS SPACED FROM EACH OTHER ABOUT ITS PERIPHERY AND RESTING UPON THE FLANGE OF THE REFRIGERANT CONTAINER TO SUPPORT THE PLATFORM IN AN ELEVATED POSITION, SAID PLATFORM BEING SPACED FROM THE WALL OF THE MAIN CONTAINER AND BEING FORMED WITH AN OPENING AT ITS CENTER, FOOD CONTAINERS IN THE UPPER PORTION OF THE MAIN CONTAINER RESTING UPON SAID PLATFORM, SAID FOOD CONTAINERS TERMINTING FLUSH WITH THE UPPER EDGE OF THE MAIN CONTAINER AND A REMOVABLE COVER FOR THE UPPER END OF THE MAIN CONTAINER AND AUXILIARY CONTAINERS.
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) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |