Patent US1944450A successfully refreshed from Google Patents.
US1944450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sash control for sliding windows
Assignee: SIOUX METAL PRODUCTS Co
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Filing: 1932-08-13
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Granted: 1934-01-23
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Expires: 1952-08-13
Abstract
No abstract record available.
Inventors
- 👤 Bon E Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:32
CPC Classifications
E; E05; E05D; E05D13/00; E05D13/003; E05D13/04; E05D13/10; E05D13/12; E05D13/123; E05D13/1246; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/148; Y; Y10; Y10S; Y10S292/00; Y10S292/20; Y10S292/37; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1051; Y10T292/1052; Y10T292/1056; Y10T292/106; Y10T292/45; Y10T292/47
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) | 1937-01-22 | 1937-07-24 | 1938-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-01-22 | 1941-07-24 | 1942-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-01-22 | 1945-07-24 | 1946-01-23 | $7700.00 | Window Closed / Lapsed |