Patent US1960860A successfully refreshed from Google Patents.
US1960860A
Expired / Lapsed
US
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Sliding door
Assignee: ALLEN DREW Co
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Filing: 1931-08-05
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Granted: 1934-05-29
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Expires: 1951-08-05
Abstract
No abstract record available.
Inventors
- 👤 Earle F Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:59
CPC Classifications
E; E05; E05F; E05F17/00; E05D; E05D15/00; E05D15/06; E05D15/12; E05F15/00; E05F15/60; E05F15/603; E05F15/605; E05F15/632; E05F15/635; E05F15/641; E06; E06B; E06B3/00; E06B3/01; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/622; E05Y2201/644; E05Y2201/654; E05Y2800/00; E05Y2800/10; E05Y2800/122; E05Y2900/00; E05Y2900/10; E05Y2900/108
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) | 1937-05-28 | 1937-11-27 | 1938-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-05-28 | 1941-11-27 | 1942-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-05-28 | 1945-11-27 | 1946-05-29 | $7700.00 | Window Closed / Lapsed |