US3229751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding door structure
Assignee: Individual
•
Filing: 1964-02-11
•
Granted: 1966-01-18
•
Expires: 1984-02-11
Abstract
No abstract record available.
Inventors
- 👤 Moorer Clarence Alan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:30
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/48; E06B3/481
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A FOLDING DOOR COMPRISING A SERIES OF PANELS HINGEDLY FITTED TO EACH OTHER IN EDGE-TO-EDGE RELATION BY MEANS OF A RAIL WITH ONLY A SINGLE CYLINDRICAL SURFACE BETWEEN EVERY TWO ADJACENT PANELS, PINTLE MEANS AXIALLY SECURED TO THE END OF SAID RAIL, SAID RAIL BEING OF THE SAME LENGTH AS THE ADJACENT PANELS, SAID PANELS HAVING CONCAVE CYLINDRICAL SURFACES ADJACENT SAID RAIL AND PLATELIKE HINGE ELEMENTS SECURED TO THE END FACES OF THE PANELS AND HAVING THEIR ADJACENT ENDS OVERLAPPING AND PIVOTALLY CONNECTED
Claim 2
Dependent Claim
83 words
A FOLDING DOOR COMPRISING A SERIES OF PANELS HINGEDLY FITTED TO EACH OTHER IN EDGE-TO-EDGE RELATION BY MEANS OF A RAIL WITH ONLY A SINGLE CYLINDRICAL SURFACE BETWEEN EVERY TWO ADJACENT PANELS, PINTLE MEANS AXIALLY SECURED TO THE END OF SAID RAIL, SAID RAIL BEING OF THE SAME LENGTH AS THE ADJACENT PANELS, SAID PANELS HAVING CONCAVE CYLINDRICAL SURFACES ADJACENT SAID RAIL AND PLATELIKE HINGE ELEMENTS SECURED TO THE END FACES OF THE PANELS AND HAVING THEIR ADJACENT ENDS OVERLAPPING AND PIVOTALLY CONNECTED
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Cited
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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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |