Patent US1446085A successfully refreshed from Google Patents.
US1446085A
Expired / Lapsed
US
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Dead-bolt night latch
Assignee: Individual
•
Filing: 1921-12-03
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Granted: 1923-02-20
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Expires: 1941-12-03
Abstract
No abstract record available.
Inventors
- 👤 Falk Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:07
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; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/55; Y10T70/5889; Y10T70/5925; Y10T70/5929; Y10T70/70; Y10T70/7441; Y10T70/7915; Y10T70/7927; Y10T70/80; Y10T70/8432; Y10T70/8459; Y10T70/8541
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) | 1926-02-19 | 1926-08-21 | 1927-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-02-19 | 1930-08-21 | 1931-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-02-19 | 1934-08-21 | 1935-02-20 | $7700.00 | Window Closed / Lapsed |