US2629248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door lock retainer
Assignee: Illinois Tool Works Inc
•
Filing: 1949-01-19
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Granted: 1953-02-24
•
Expires: 1969-01-19
Abstract
No abstract record available.
Inventors
- 👤 Burdick Hugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:27
CPC Classifications
E; E05; E05B; E05B9/00; E05B9/08; E05B9/084; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/97; Y10T; Y10T70/00; Y10T70/70; Y10T70/7441; Y10T70/7486; Y10T70/7508; Y10T70/7559; Y10T70/7655
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1997185A
Cited
US2275773A
Cited
US2244976A
Cited
US2307106A
Cited
US2435764A
Cited
US2443362A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-24 | 1956-08-25 | 1957-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-24 | 1960-08-25 | 1961-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-24 | 1964-08-25 | 1965-02-24 | $7700.00 | Window Closed / Lapsed |