US1744158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Casement window
Assignee: Individual
•
Filing: 1927-07-09
•
Granted: 1930-01-21
•
Expires: 1947-07-09
Abstract
No abstract record available.
Inventors
- 👤 Carswell Harold Thorp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:36
CPC Classifications
E; E05; E05F; E05F11/00; E05F11/02; E05F11/34; Y; Y10; Y10S; Y10S292/00; Y10S292/20; Y10S292/33; Y10T; Y10T292/00; Y10T292/08; Y10T292/1039; Y10T292/1041
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1933-01-20 | 1933-07-22 | 1934-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-01-20 | 1937-07-22 | 1938-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-01-20 | 1941-07-22 | 1942-01-21 | $7700.00 | Window Closed / Lapsed |