Patent US2648969A successfully refreshed from Google Patents.
US2648969A
Expired / Lapsed
US
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Door locking mechanism
Assignee: Individual
•
Filing: 1950-02-16
•
Granted: 1953-08-18
•
Expires: 1970-02-16
Abstract
No abstract record available.
Inventors
- 👤 Miller Julius
- 👤 Deutscher Abe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 06:54
CPC Classifications
E; E05; E05B; E05B55/00; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0974; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/5394; Y10T70/5465; Y10T70/5469; Y10T70/5473; Y10T70/5491
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1858804A
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US2021827A
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-17 | 1957-02-16 | 1957-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-17 | 1961-02-16 | 1961-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-17 | 1965-02-16 | 1965-08-18 | $7700.00 | Window Closed / Lapsed |