Patent US2331150A successfully refreshed from Google Patents.
US2331150A
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Door handle locking device
Assignee: Individual
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Filing: 1941-12-12
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Granted: 1943-10-05
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Expires: 1961-12-12
Abstract
No abstract record available.
Inventors
- 👤 Jr William S Whiting
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:55
CPC Classifications
E; E05; E05B; E05B77/00; E05B77/22; E05B77/24; E05B77/26; E05B77/265; E05B13/00; E05B13/002; E05C; E05C19/00; E05C19/18; Y; Y10; Y10T; Y10T292/00; Y10T292/03; Y10T292/34; Y10T292/37; Y10T292/71; Y10T292/73; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/20642
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-10-04 | 1947-04-05 | 1947-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-10-04 | 1951-04-05 | 1951-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-10-04 | 1955-04-05 | 1955-10-05 | $7700.00 | Window Closed / Lapsed |