US3614975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding doors
Assignee: Individual
•
Filing: 1969-02-05
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Granted: 1971-10-26
•
Expires: 1989-02-05
Abstract
Abstract A GUIDED FOLDING-DOOR COMPRISES TWO HINGED PANELS, ONE OF WHICH IS PIVOTALLY MOUNTED AND THE OTHER HAS ITS UPPER AND LOWER PORTIONS EQUIPPED WITH PARTS WHICH SLIDE IN SLIDEWAYS ON HORIZONTAL TRANSVERSE ELEMENTS EXTENDING OVER THE ENTIRE WIDTH OF THE DOOR, SAID SLIDING PARTS BEING FIXED TO THE REAR SIDE OF THE PANEL IN SUCH MANNER AS NOT TO PROJECT BEYOND THE EDGE THEREOF, SAID TRANSVERSE ELEMENTS BEING POSITIONED BEHIND THE DOOR, AND SAID SLIDEWAYS BEING LOCATED IN THE LOWER AND UPPER FACES OF SAID PARTS RESPECTIVELY.
Inventors
- 👤 Gilbert Emile Fulbert Aymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:37
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/50; E06B3/5045; E06B3/48; E06B3/481; E06B3/482
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-25 | 1975-04-26 | 1975-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-25 | 1979-04-26 | 1979-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-25 | 1983-04-26 | 1983-10-26 | $7700.00 | Window Closed / Lapsed |