US3007342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rolling door operating mechanism
Assignee: Cookson Co
•
Filing: 1959-04-13
•
Granted: 1961-11-07
•
Expires: 1979-04-13
Abstract
No abstract record available.
Inventors
- 👤 Wardlaw Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:11
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/56; E06B9/80; E06B9/82; E06B9/68; Y; Y10; Y10T; Y10T74/00; Y10T74/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US763381A
Cited
GB190802163A
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US1215614A
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US1942794A
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US1942796A
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US2208039A
Cited
US2313132A
Cited
FR973323A
Cited
US2564208A
Cited
US2604790A
Cited
US2667076A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-06 | 1965-05-08 | 1965-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-06 | 1969-05-08 | 1969-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-06 | 1973-05-08 | 1973-11-07 | $7700.00 | Window Closed / Lapsed |