US2803957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latching mechanism
Assignee: Individual
•
Filing: 1956-04-09
•
Granted: 1957-08-27
•
Expires: 1976-04-09
Abstract
No abstract record available.
Inventors
- 👤 Harry F George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:05
CPC Classifications
E; E05; E05B; E05B55/00; E05B55/005; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0977; Y10T292/0982; Y10T292/0989; Y10T292/0991; Y10T292/1014; Y10T292/1022; Y10T292/1028; Y10T292/68; Y10T292/705; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/5394; Y10T70/5407; Y10T70/542; Y10T70/5429; Y10T70/55; Y10T70/5611; Y10T70/5757; Y10T70/5765; Y10T70/577; Y10T70/5792; Y10T70/5796
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2733945A
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US1424686A
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FR599209A
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US1923149A
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US1916266A
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GB421384A
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GB505236A
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US2401854A
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US2503192A
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US2665154A
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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) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |