US1339879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window-sash operator
Assignee: Individual
•
Filing: 1919-09-29
•
Granted: 1920-05-11
•
Expires: 1939-09-29
Abstract
No abstract record available.
Inventors
- 👤 Cima Valentine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:02
CPC Classifications
E; E05; E05F; E05F11/00; E05F11/38; E05F11/42
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) | 1923-05-11 | 1923-11-10 | 1924-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-05-11 | 1927-11-10 | 1928-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-05-11 | 1931-11-10 | 1932-05-11 | $7700.00 | Window Closed / Lapsed |