Patent US2249018A successfully refreshed from Google Patents.
US2249018A
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US
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Locking device
Assignee: HANCOCK Manufacturing CO
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Filing: 1939-03-09
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Granted: 1941-07-15
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Expires: 1959-03-09
Abstract
No abstract record available.
Inventors
- 👤 Marple Rollo
- 👤 Albert F Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:01
CPC Classifications
E; E05; E05B; E05B85/00; E05B85/20; E05B85/24; E05B85/28; Y; Y10; Y10S; Y10S292/00; Y10S292/26; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1044; Y10T292/1045; Y10T292/306; Y10T292/308; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/5496
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) | 1944-07-14 | 1945-01-13 | 1945-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-07-14 | 1949-01-13 | 1949-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-07-14 | 1953-01-13 | 1953-07-15 | $7700.00 | Window Closed / Lapsed |