US1238134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination-lock for automobile ignition-switches.
Assignee: Individual
•
Filing: 1915-11-13
•
Granted: 1917-08-28
•
Expires: 1935-11-13
Abstract
No abstract record available.
Inventors
- 👤 Louis M Greif
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:54
CPC Classifications
E; E05; E05B; E05B37/00; E05B37/16; Y; Y10; Y10S; Y10S70/00; Y10S70/30; Y10T; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5757; Y10T70/5765; Y10T70/577; Y10T70/5783; Y10T70/5788; Y10T70/70; Y10T70/7153; Y10T70/7181; Y10T70/7198; Y10T70/7215; Y10T70/722
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) | 1920-08-27 | 1921-02-26 | 1921-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-08-27 | 1925-02-26 | 1925-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-08-27 | 1929-02-26 | 1929-08-28 | $7700.00 | Window Closed / Lapsed |