Patent US3188698A successfully refreshed from Google Patents.
US3188698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety device for vertically movable doors
Assignee: The J G Wilson Corp
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Filing: 1960-12-01
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Granted: 1965-06-15
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Expires: 1980-12-01
Abstract
No abstract record available.
Inventors
- 👤 Maurice B Zoll
- 👤 Ervin R Stallings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:34
CPC Classifications
E; E05; E05D; E05D13/00; E05D13/003; E05D13/006; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/106; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4998; Y10T29/49993; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A LEVER AND HUB ASSEMBLY COMPRISING A FLAT SHEET OF METAL ELONGATE IN SHAPE AND WITH ONE END PORTION HAVING AN APERTURE ON ITS LONGITUDINAL AXIS, THE OTHER END PORTION BEING WIDER THAN SAID AXIS-APERTURED END PORTION, AN APERTURE LATERALLY OFFSET FROM SAID AXIS AND FORMED IN SAID WIDER END PORTION, A HOLLOW CYLINDRICAL HUB FITTING
Claim 2
Dependent Claim
56 words
A LEVER AND HUB ASSEMBLY COMPRISING A FLAT SHEET OF METAL ELONGATE IN SHAPE AND WITH ONE END PORTION HAVING AN APERTURE ON ITS LONGITUDINAL AXIS, THE OTHER END PORTION BEING WIDER THAN SAID AXIS-APERTURED END PORTION, AN APERTURE LATERALLY OFFSET FROM SAID AXIS AND FORMED IN SAID WIDER END PORTION, A HOLLOW CYLINDRICAL HUB FITTING
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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) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |