Patent US1586427A successfully refreshed from Google Patents.
US1586427A
Expired / Lapsed
US
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Window opening and closing mechanism
Assignee: Individual
•
Filing: 1925-11-10
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Granted: 1926-05-25
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Expires: 1945-11-10
Abstract
No abstract record available.
Inventors
- 👤 Truman W Hamill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:03
CPC Classifications
E; E05; E05F; E05F11/00; E05F11/38; E05F11/382; E05Y; E05Y2900/00; E05Y2900/50; E05Y2900/53; E05Y2900/55
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) | 1929-05-24 | 1929-11-23 | 1930-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-05-24 | 1933-11-23 | 1934-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-05-24 | 1937-11-23 | 1938-05-25 | $7700.00 | Window Closed / Lapsed |