Patent US2641466A successfully refreshed from Google Patents.
US2641466A
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US
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Control means for automatically operated doors
Assignee: Stanley Works
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Filing: 1950-03-17
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Granted: 1953-06-09
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Expires: 1970-03-17
Abstract
No abstract record available.
Inventors
- 👤 Sheldon S Roby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:14
CPC Classifications
E; E05; E05F; E05F15/00; E05F15/50; E05F15/53
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2009081A
Cited
US2173455A
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US2227483A
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US2283577A
Cited
US2564067A
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US2536489A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |