US3032330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Casement window hinge-lock operator mechanism
Assignee: TRUTH TOOL CO
•
Filing: 1957-12-12
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Granted: 1962-05-01
•
Expires: 1977-12-12
Abstract
No abstract record available.
Inventors
- 👤 Harold L Stavenau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:39
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/28; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/148; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18856
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1851810A
Cited
US1956476A
Cited
GB457508A
Cited
GB499229A
Cited
US2226376A
Cited
US2582558A
Cited
US2767979A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-30 | 1965-10-30 | 1966-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-30 | 1969-10-30 | 1970-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-30 | 1973-10-30 | 1974-05-01 | $7700.00 | Window Closed / Lapsed |