US2774590A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical operator for awning type windows
Assignee: STANLEY BUILDING SPECIALTIES C
•
Filing: 1954-05-28
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Granted: 1956-12-18
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Expires: 1974-05-28
Abstract
No abstract record available.
Inventors
- 👤 Donn C Blanchard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:54
CPC Classifications
E; E05; E05F; E05F17/00; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/148; Y; Y10; Y10T; Y10T403/00; Y10T403/57; Y10T403/5706
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US691759A
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US2252634A
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US2422704A
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US2528953A
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US2636727A
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US2607363A
Cited
US2613928A
Cited
US2720292A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |