US1549422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined sash holder and sash release
Assignee: National Lock Washer Co
•
Filing: 1925-04-28
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Granted: 1925-08-11
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Expires: 1945-04-28
Abstract
No abstract record available.
Inventors
- 👤 John L Mohun
- 👤 Piesch Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:19
CPC Classifications
B; B61; B61D; B61D25/00; Y; Y10; Y10S; Y10S292/00; Y10S292/20; Y10S292/72; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0913; Y10T292/0914; Y10T292/0915; Y10T292/0917; Y10T292/0945; Y10T292/0949
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) | 1928-08-10 | 1929-02-09 | 1929-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-08-10 | 1933-02-09 | 1933-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-08-10 | 1937-02-09 | 1937-08-11 | $7700.00 | Window Closed / Lapsed |