Patent US2525340A successfully refreshed from Google Patents.
US2525340A
Expired / Lapsed
US
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Bathroom lock
Assignee: RAY E CLARK
•
Filing: 1947-03-28
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Granted: 1950-10-10
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Expires: 1967-03-28
Abstract
No abstract record available.
Inventors
- 👤 Clark Ralph Clyde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:50
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/08; E05C1/12; E05C1/16; E05C1/163; Y; Y10; Y10T; Y10T292/00; Y10T292/96
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US756447A
Cited
US861421A
Cited
US2089163A
Cited
US2234912A
Cited
US2370646A
Cited
US2233353A
Cited
US2454754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |