US1902195A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking system for strong boxes
Assignee: Individual
•
Filing: 1932-05-06
•
Granted: 1933-03-21
•
Expires: 1952-05-06
Abstract
No abstract record available.
Inventors
- 👤 Swahn Adolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:51
CPC Classifications
E; E05; E05B; E05B43/00; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7006; Y10T70/7011; Y10T70/7023
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) | 1936-03-20 | 1936-09-19 | 1937-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-03-20 | 1940-09-19 | 1941-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-03-20 | 1944-09-19 | 1945-03-21 | $7700.00 | Window Closed / Lapsed |