US2166535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lock for doors and the like
Assignee: Individual
•
Filing: 1937-11-18
•
Granted: 1939-07-18
•
Expires: 1957-11-18
Abstract
No abstract record available.
Inventors
- 👤 Sarenholm Einar
- 👤 Warrol Helge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:46
CPC Classifications
E; E05; E05C; E05C9/00; E05C9/04; E05C9/041; E05B; E05B15/00; E05B15/0053; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0803; Y10T292/0834; Y10T292/0836; Y10T292/0843
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) | 1942-07-17 | 1943-01-16 | 1943-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-07-17 | 1947-01-16 | 1947-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-07-17 | 1951-01-16 | 1951-07-18 | $7700.00 | Window Closed / Lapsed |