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US2157641A
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Door dovetail construction
Assignee: ALBERT H TINNERMAN
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Filing: 1937-05-20
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Granted: 1939-05-09
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Expires: 1957-05-20
Abstract
No abstract record available.
Inventors
- 👤 George A Tinnerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:35
CPC Classifications
E; E05; E05F; E05F5/00; E05F5/02; E05F5/022; E05F5/025; E05Y; E05Y2900/00; E05Y2900/50; E05Y2900/53; E05Y2900/531; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/966; Y10S411/97
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) | 1942-05-08 | 1942-11-07 | 1943-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-05-08 | 1946-11-07 | 1947-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-05-08 | 1950-11-07 | 1951-05-09 | $7700.00 | Window Closed / Lapsed |