US2576536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Casement window operator
Assignee: Individual
•
Filing: 1947-10-30
•
Granted: 1951-11-27
•
Expires: 1967-10-30
Abstract
No abstract record available.
Inventors
- 👤 Samuel C Reynaud
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:40
CPC Classifications
E; E05; E05F; E05F11/00; E05F11/02; E05F11/08; E05F11/12; E05F11/14; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18856; Y10T74/1888; Y10T74/19; Y10T74/19949; Y10T74/19963; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/20648
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1546418A
Cited
US1860418A
Cited
US1982269A
Cited
US2199906A
Cited
US2312720A
Cited
US2356270A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-26 | 1955-05-28 | 1955-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-26 | 1959-05-28 | 1959-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-26 | 1963-05-28 | 1963-11-27 | $7700.00 | Window Closed / Lapsed |