Patent US4061965A successfully refreshed from Google Patents.
Patent US2676294A successfully refreshed from Google Patents.
US2676294A
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Electric motor system for garage doors
Assignee: Eastern Ind Inc
•
Filing: 1947-11-13
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Granted: 1954-04-20
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Expires: 1967-11-13
Abstract
No abstract record available.
Inventors
- 👤 Harry A Wilcox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:34
CPC Classifications
E; E05; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/665; E05F15/668; E05F15/681; E05F15/684; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/622; E05Y2201/644; E05Y2201/656; E05Y2900/00; E05Y2900/10; E05Y2900/106; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/1014; Y10T292/1021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1972695A
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US1916651A
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US2056174A
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US2343951A
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US2342597A
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US2532722A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-19 | 1957-10-19 | 1958-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-19 | 1961-10-19 | 1962-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-19 | 1965-10-19 | 1966-04-20 | $7700.00 | Window Closed / Lapsed |