Patent US2610054A successfully refreshed from Google Patents.
US2610054A
Expired / Lapsed
US
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Rotary operator for casement windows
Assignee: Individual
•
Filing: 1950-07-21
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Granted: 1952-09-09
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Expires: 1970-07-21
Abstract
No abstract record available.
Inventors
- 👤 Reynaud S Chester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:19
CPC Classifications
E; E05; E05F; E05F11/00; E05F11/02; E05F11/08; E05F11/12; E05F11/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US961565A
Cited
US1744341A
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US1692073A
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US1971360A
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US2007434A
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US2094990A
Cited
US2128483A
Cited
US2050403A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-09 | 1956-03-10 | 1956-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-09 | 1960-03-10 | 1960-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-09 | 1964-03-10 | 1964-09-09 | $7700.00 | Window Closed / Lapsed |