US2094990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Casement window
Assignee: Individual
•
Filing: 1934-09-24
•
Granted: 1937-10-05
•
Expires: 1954-09-24
Abstract
No abstract record available.
Inventors
- 👤 Lang Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:08
CPC Classifications
E; E05; E05F; E05F11/00; E05F11/02; E05F11/08; E05F11/12; E05F11/14; E05C; E05C9/00; E05C9/002; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0945; Y10T292/0948; Y10T292/096; Y10T292/1006; Y10T292/1007; Y10T292/101; Y10T292/1011; Y10T292/1014; Y10T292/1043; Y10T292/1075; Y10T292/1078
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) | 1940-10-04 | 1941-04-05 | 1941-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-10-04 | 1945-04-05 | 1945-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-10-04 | 1949-04-05 | 1949-10-05 | $7700.00 | Window Closed / Lapsed |