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US2661971A
Expired / Lapsed
US
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Latching mechanism
Assignee: Individual
•
Filing: 1948-07-15
•
Granted: 1953-12-08
•
Expires: 1968-07-15
Abstract
No abstract record available.
Inventors
- 👤 Reymann Alois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:17
CPC Classifications
E; E06; E06B; E06B11/00; E06B11/02; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0863; Y10T292/68
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US72120A
Cited
US366264A
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US473548A
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US777135A
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US961778A
Cited
US1508029A
Cited
US1385889A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-07 | 1957-06-08 | 1957-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-07 | 1961-06-08 | 1961-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-07 | 1965-06-08 | 1965-12-08 | $7700.00 | Window Closed / Lapsed |