Patent US2647391A successfully refreshed from Google Patents.
US2647391A
Expired / Lapsed
US
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Rotary cylinder lock
Assignee: Individual
•
Filing: 1948-06-15
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Granted: 1953-08-04
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Expires: 1968-06-15
Abstract
No abstract record available.
Inventors
- 👤 Uher Edmond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:26
CPC Classifications
E; E05; E05B; E05B29/00; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7441; Y10T70/7486; Y10T70/7508; Y10T70/7559; Y10T70/7588; Y10T70/7593; Y10T70/7599; Y10T70/7667; Y10T70/7684; Y10T70/7689; Y10T70/7695; Y10T70/778; Y10T70/7791; Y10T70/7836; Y10T70/7842; Y10T70/7859; Y10T70/7864
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190923424A
Cited
US1431735A
Cited
US1644365A
Cited
US1644092A
Cited
US1937224A
Cited
US1969012A
Cited
US2030837A
Cited
US2150639A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |