Patent US2708478A successfully refreshed from Google Patents.
US2708478A
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US
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Full open sectional door latch device
Assignee: Frantz Manufacturing Co
•
Filing: 1952-07-17
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Granted: 1955-05-17
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Expires: 1972-07-17
Abstract
No abstract record available.
Inventors
- 👤 Cecil R Wolf
- 👤 John P Holland
- 👤 Charles E Seidel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:31
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/0021; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0803; Y10T292/0834; Y10T292/0836; Y10T292/0839
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1172663A
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US1326554A
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US2064470A
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US1992972A
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US2128014A
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US2124969A
Cited
US2343977A
Cited
US2393287A
Cited
US2547196A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-16 | 1958-11-15 | 1959-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-16 | 1962-11-15 | 1963-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-16 | 1966-11-15 | 1967-05-17 | $7700.00 | Window Closed / Lapsed |