Patent US2644705A successfully refreshed from Google Patents.
US2644705A
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Dead latching mechanism
Assignee: SAFE PADLOCK AND HARDWARE Co
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Filing: 1950-11-15
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Granted: 1953-07-07
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Expires: 1970-11-15
Abstract
No abstract record available.
Inventors
- 👤 Hagstrom Gotthard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:58
CPC Classifications
E; E05; E05B; E05B55/00; E05B55/12; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0977; Y10T292/098; Y10T292/0987; Y10T292/1014; Y10T292/1022; Y10T292/1031; Y10T292/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1876081A
Cited
US2424782A
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US2497750A
Cited
US2549983A
Cited
US2558509A
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US2591647A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |