US2147794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerator door fastener
Assignee: JAMISON COLD STORAGE DOOR CO
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Filing: 1937-04-22
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Granted: 1939-02-21
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Expires: 1957-04-22
Abstract
No abstract record available.
Inventors
- 👤 Leonard David Charles Elwyn
- 👤 Jr John Vincent Jamison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:46
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/02; E05C19/04; Y; Y10; Y10S; Y10S292/00; Y10S292/71; Y10T; Y10T292/00; Y10T292/08; Y10T292/0876; Y10T292/0883; Y10T292/0884
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-02-20 | 1942-08-22 | 1943-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-02-20 | 1946-08-22 | 1947-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-02-20 | 1950-08-22 | 1951-02-21 | $7700.00 | Window Closed / Lapsed |