US2198548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking device
Assignee: HANCOCK Manufacturing CO
•
Filing: 1940-01-22
•
Granted: 1940-04-23
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Expires: 1960-01-22
Abstract
No abstract record available.
Inventors
- 👤 Marple Rollo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:46
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; Y10T292/1075; Y10T292/1083; Y10T292/1092; Y10T292/306; Y10T292/308
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) | 1943-04-23 | 1943-10-23 | 1944-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-04-23 | 1947-10-23 | 1948-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-04-23 | 1951-10-23 | 1952-04-23 | $7700.00 | Window Closed / Lapsed |