Patent US3308580A successfully refreshed from Google Patents.
US3308580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door structure having torque tube
Assignee: Individual
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Filing: 1964-11-09
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Granted: 1967-03-14
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Expires: 1984-11-09
Abstract
No abstract record available.
Inventors
- 👤 Frank R Ogilvie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:07
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/40; E05D15/46; E05D15/463; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
AN OVERHEAD DOOR STRUCTURE COMPRISING A DOOR PANEL HAVING OPPOSITE ENDS AND UPPER AND LOWER EDGES, A SINGLE TORSIONALLY RIGID GENERALLY TUBULAR TORQUE TRANSMITTING MEMBER CONNECTED WITH THE DOOR PANEL AND EXTENDING LENGTHWISE OF SAID PANEL INTERMEDIATE SAID EDGES THEREOF, HINGE MEANS OPERATIVELY CONNECTED WITH THE RESPECTIVE ENDS OF SAID TORQUE TRANSMITTING MEMBER FOR MOUNTING SAID DOOR IN A DOOR FRAME FOR MOVEMENT BETWEEN OPEN AND CLOSED POSITIONS, MEANS TORSIONALLY ATTACHED TO SAID TORQUE TRANSMITTING MEMBER AND ADAPTED TO RECEIVE A FORCE OF SUFFICIENT MAGNITUDE TO OPEN CLOSE THE DOOR AND BEING PROPORTIONED TO RESIST BENDING TO TRANSMIT SAID FORCE TO SAID TORQUE TRANSMITTING MEMBER WITHOUT SUBSTANTIAL DEFLECTION OF SAID FORCE RECEIVING MEANS.
Claim 2
Dependent Claim
113 words
AN OVERHEAD DOOR STRUCTURE COMPRISING A DOOR PANEL HAVING OPPOSITE ENDS AND UPPER AND LOWER EDGES, A SINGLE TORSIONALLY RIGID GENERALLY TUBULAR TORQUE TRANSMITTING MEMBER CONNECTED WITH THE DOOR PANEL AND EXTENDING LENGTHWISE OF SAID PANEL INTERMEDIATE SAID EDGES THEREOF, HINGE MEANS OPERATIVELY CONNECTED WITH THE RESPECTIVE ENDS OF SAID TORQUE TRANSMITTING MEMBER FOR MOUNTING SAID DOOR IN A DOOR FRAME FOR MOVEMENT BETWEEN OPEN AND CLOSED POSITIONS, MEANS TORSIONALLY ATTACHED TO SAID TORQUE TRANSMITTING MEMBER AND ADAPTED TO RECEIVE A FORCE OF SUFFICIENT MAGNITUDE TO OPEN CLOSE THE DOOR AND BEING PROPORTIONED TO RESIST BENDING TO TRANSMIT SAID FORCE TO SAID TORQUE TRANSMITTING MEMBER WITHOUT SUBSTANTIAL DEFLECTION OF SAID FORCE RECEIVING MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |