Patent US4383569A successfully refreshed from Google Patents.
US4383569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding closure
Assignee: Martinray Industries Ltd
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Filing: 1981-03-17
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Granted: 1983-05-17
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Expires: 2001-03-17
Abstract
Abstract A folding closure having an emergency folding door therein which has a height less than the height of the closure. A folding top closure section is provided in the closure above the folding door. Means detachably connect the folding door and the folding top closure section together. The arrangement allows the folding top closure section to guide the folding door about corners when folding or unfolding the closure.
Inventors
- 👤 Henri M. R. Labelle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:33
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/10; E05B65/1046; E05B65/106; E05B65/1066; E05B65/0085; E05D; E05D15/00; E05D15/26; E05D15/48; E05Y; E05Y2800/00; E05Y2800/71; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132; E06; E06B; E06B3/00; E06B3/70; E06B2003/7057
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
113 words
A folding closure having a plurality of tall, narrow first panels, pivot means connecting vertical sides of adjacent first panels together; an emergency folding foor in the folding closure which door had a height less than the height of the closure, the door having a plurality of tall, narrow second panels and pivot means connecting vertical sides of adjacent second panels together; a folding top closure section in the folding closure above the folding door, the top closure section having a plurality of short, narrow third panels and pivot means connecting adjacent vertical sides of adjacent third panels together; and means detachably connecting the folding door and the folding top closure section together.
Claim 2
Dependent Claim
113 words
A folding closure having a plurality of tall, narrow first panels, pivot means connecting vertical sides of adjacent first panels together; an emergency folding foor in the folding closure which door had a height less than the height of the closure, the door having a plurality of tall, narrow second panels and pivot means connecting vertical sides of adjacent second panels together; a folding top closure section in the folding closure above the folding door, the top closure section having a plurality of short, narrow third panels and pivot means connecting adjacent vertical sides of adjacent third panels together; and means detachably connecting the folding door and the folding top closure section together.
Claim 3
Dependent Claim
60 words
A folding closure as claimed in claim 1 wherein the means detachably connecting the door and the top closure together comprise a plurality of spaced pins projecting up from the top edge of the folding door, and a plurality of openings in the bottom edge of the top folding closure section for receiving the top portion of the projecting pins.
Claim 4
Dependent Claim
67 words
A folding closure as claimed in claim 2 including a stop on one door frame at its bottom end for supporting the folding door by its bottom edge adjacent its unhinged side when the door is closed; said stop maintaining the door at the proper height to retain the pins in the openings; the door, when moved off the stop, detachable from the top folding closure section.
Claim 5
Dependent Claim
41 words
A folding closure as claimed in claim 2 wherein the openings in the bottom edge of the top closure are open on the inside surface of the top closure, and clip means are provided on inside surface to cover the openings.
References Cited (Backward Citations)
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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) | 1986-05-16 | 1986-11-15 | 1987-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-05-16 | 1990-11-15 | 1991-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-05-16 | 1994-11-15 | 1995-05-17 | $7700.00 | Window Closed / Lapsed |