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US1593667A
Expired / Lapsed
US
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Doorlock mechanism
Assignee: Individual
•
Filing: 1924-03-24
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Granted: 1926-07-27
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Expires: 1944-03-24
Abstract
No abstract record available.
Inventors
- 👤 Eugene O Murmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:04
CPC Classifications
E; E05; E05B; E05B55/00; Y; Y10; Y10S; Y10S70/00; Y10S70/42; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5226; Y10T70/5239; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/55; Y10T70/5531
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) | 1929-07-26 | 1930-01-25 | 1930-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-07-26 | 1934-01-25 | 1934-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-07-26 | 1938-01-25 | 1938-07-27 | $7700.00 | Window Closed / Lapsed |