US2512804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door locking latch mechanism
Assignee: GLENDORA Manufacturing Co
•
Filing: 1946-12-13
•
Granted: 1950-06-27
•
Expires: 1966-12-13
Abstract
No abstract record available.
Inventors
- 👤 Charles D Mcdonald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:54
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/0021; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1051; Y10T292/1052; Y10T292/1057; Y10T292/1075; Y10T292/1076; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/55; Y10T70/5504
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US237583A
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US338640A
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US663989A
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US1271655A
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GB169792A
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US1843480A
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US1871744A
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US2096503A
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US2054735A
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US2153359A
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US2225785A
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US2246787A
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US2319136A
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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) | 1953-06-26 | 1953-12-26 | 1954-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-26 | 1957-12-26 | 1958-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-26 | 1961-12-26 | 1962-06-27 | $7700.00 | Window Closed / Lapsed |