Patent US1790130A successfully refreshed from Google Patents.
US1790130A
Expired / Lapsed
US
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Locking mechanism for lockers
Assignee: Republic Steel Corp
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Filing: 1929-08-30
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Granted: 1931-01-27
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Expires: 1949-08-30
Abstract
No abstract record available.
Inventors
- 👤 Clarence W Austin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:20
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/0003; E05B65/02; E05B65/025; Y; Y10; Y10S; Y10S292/00; Y10S292/68
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) | 1934-01-26 | 1934-07-28 | 1935-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-01-26 | 1938-07-28 | 1939-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-01-26 | 1942-07-28 | 1943-01-27 | $7700.00 | Window Closed / Lapsed |