US2668071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sliding door lock mechanism
Assignee: Adams Rite Manufacturing Co
•
Filing: 1948-04-27
•
Granted: 1954-02-02
•
Expires: 1968-04-27
Abstract
No abstract record available.
Inventors
- 👤 Arthur R Adams
- 👤 Grizzard Earle Donnell
- 👤 Paul C Cady
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:35
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/08; E05B65/0811; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0936; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5173; Y10T70/5177; Y10T70/5181
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US810927A
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US1379839A
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US1544960A
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US1814938A
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US2304612A
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US2278534A
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US2246787A
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US2387187A
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US2404845A
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US2508090A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-01 | 1957-08-03 | 1958-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-01 | 1961-08-03 | 1962-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-01 | 1965-08-03 | 1966-02-02 | $7700.00 | Window Closed / Lapsed |