Patent US2120788A successfully refreshed from Google Patents.
US2120788A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window sash fastener
Assignee: Individual
•
Filing: 1937-11-15
•
Granted: 1938-06-14
•
Expires: 1957-11-15
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Riccelli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:17
CPC Classifications
E; E05; E05F; E05F11/00; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/148; Y; Y10; Y10S; Y10S70/00; Y10S70/57; Y10T; Y10T292/00; Y10T292/08; Y10T292/1099; Y10T292/62; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5146; Y10T70/515; Y10T70/80; Y10T70/8432; Y10T70/8459; Y10T70/8541
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) | 1941-06-13 | 1941-12-13 | 1942-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-06-13 | 1945-12-13 | 1946-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-06-13 | 1949-12-13 | 1950-06-14 | $7700.00 | Window Closed / Lapsed |