US2741808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door tensioning and venting device
Assignee: GIBSON REFRIGERATOR Co
•
Filing: 1950-12-01
•
Granted: 1956-04-17
•
Expires: 1970-12-01
Abstract
No abstract record available.
Inventors
- 👤 Rasmussen Luther Alvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:14
CPC Classifications
F; F25; F25D; F25D23/00; F25D23/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US18164A
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US343807A
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US689714A
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US1678952A
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US1923961A
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US2336644A
Cited
US2413597A
Cited
US2368837A
Cited
US2347090A
Cited
US2591352A
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US2620520A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-17 | 1959-10-17 | 1960-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-17 | 1963-10-17 | 1964-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-17 | 1967-10-17 | 1968-04-17 | $7700.00 | Window Closed / Lapsed |