Patent US2887336A successfully refreshed from Google Patents.
US2887336A
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US
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Exit door and latch mechanism therefor
Assignee: Independent Lock Co
•
Filing: 1954-03-16
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Granted: 1959-05-19
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Expires: 1974-03-16
Abstract
No abstract record available.
Inventors
- 👤 Laurence M Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:20
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/10; E05B65/1046; E05B65/106; E05B65/1066; E05B63/00; E05B63/18; E05B63/20; E05B65/1006; E05B65/1013; E05B65/1093; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0822; Y10T292/54; Y10T292/564
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1721489A
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US730932A
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US1039734A
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US1117457A
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US1345041A
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US1593852A
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US1708078A
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US1585167A
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US2077620A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |