Patent US3217784A successfully refreshed from Google Patents.
US3217784A
Expired / Lapsed
US
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Overhead door construction and removable center post therefor
Assignee: Frantz Manufacturing Co
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Filing: 1963-02-25
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Granted: 1965-11-16
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Expires: 1983-02-25
Abstract
No abstract record available.
Inventors
- 👤 Cecil R Wolf
- 👤 Paul F Sharp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:07
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/16; E05D15/24; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
95 words
A MOVABLE CENTER POST FOR USE IN AN OVERHEAD DOOR STRUCTURE INCLUDING A CENTER POST TRACK MOUNTED OVER A DOOR OPENING AND EXTENDING THE LENGTH THEREOF, SAID CENTER POST COMPRISING A TRUCK PLATE ADAPTED TO BE SUPPORTED UPON THE ASSOCIATED CENTER POST TRACK FOR LATERAL SHIFTING MOVEMENT THEREALONG IN A DIRECTION GENERALLY PARALLEL TO THE ASSOCIATED DOOR OPENING BETWEEN AN OPERATIVE POSITION AND A STORAGE POSITION, MAIN PLATE STRUCTURE, PIVOT STRUCTURE INTERCONNECTING SAID TRUCK PLATE AND SAID MAIN PLATE STRUCTURE AND PIVOTALLY MOUNTING SAID MAIN PLATE STRUCTURE ON SAID TRUCK PLATE FOR FREE PIVOTAL MOVEMENT
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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) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |