Patent US1741041A successfully refreshed from Google Patents.
Patent US1734149A successfully refreshed from Google Patents.
US1734149A
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US
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Doorlock
Assignee: PRATT RYMER Co
•
Filing: 1927-12-06
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Granted: 1929-11-05
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Expires: 1947-12-06
Abstract
No abstract record available.
Inventors
- 👤 John A Rymer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:20
CPC Classifications
E; E05; E05B; E05B17/00; E05B17/20; E05B17/2003; E05B55/00; Y; Y10; Y10S; Y10S70/00; Y10S70/73; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/1037; Y10T292/79; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/55; Y10T70/5513; Y10T70/70; Y10T70/7441; Y10T70/7915; Y10T70/7927
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) | 1932-11-04 | 1933-05-06 | 1933-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-11-04 | 1937-05-06 | 1937-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-11-04 | 1941-05-06 | 1941-11-05 | $7700.00 | Window Closed / Lapsed |