US2863688A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door latching mechanism
Assignee: Individual
•
Filing: 1954-06-14
•
Granted: 1958-12-09
•
Expires: 1974-06-14
Abstract
No abstract record available.
Inventors
- 👤 Waldemar A Endter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:23
CPC Classifications
E; E05; E05B; E05B85/00; E05B85/20; E05B85/24; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1051; Y10T292/1052; Y10T292/1053; Y10T292/68
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2118481A
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US2552815A
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US2557468A
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US2499111A
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US2642301A
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US2658780A
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US2719049A
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US2728214A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |