Patent US3727664A successfully refreshed from Google Patents.
US3727664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door assembly
Assignee: MI Windows and Doors LLC
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Filing: 1972-03-02
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Granted: 1973-04-17
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Expires: 1992-03-02
Abstract
Abstract A door assembly includes a core sandwiched between a pair of one-piece panels. Portions of the panels surround an opening and a frame retains the panel portions to define the opening and supports an insert therein.
Inventors
- 👤 A Mennuto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:33
CPC Classifications
E; E06; E06B; E06B5/00; E06B5/003
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
159 words
A door assembly comprising: a pair of panels; a core sandwiched between and supporting the panels, said panels having portions which surround an opening; a frame in the opening having upper, lower and side members, each of said members having a section with a pair of sides and a bottom separating the sides; one of the sides terminating in an inwardly extending member; the other of the sides being part of an outwardly extending member; a resilient weather stripping bumper retained by the inwardly extending member; a resilient locking bumper retained by the outwardly extending member; the pair of panels arranged between the bumpers, with the portion of one of the panels which surrounds the opening abutting the weather stripping bumper and the portion of the other panel which surrounds the opening abutting the locking bumper; and the core exerting a force on the panels which urges the panel portions against the bumpers to retain the panels so arranged.
Claim 2
Dependent Claim
159 words
A door assembly comprising: a pair of panels; a core sandwiched between and supporting the panels, said panels having portions which surround an opening; a frame in the opening having upper, lower and side members, each of said members having a section with a pair of sides and a bottom separating the sides; one of the sides terminating in an inwardly extending member; the other of the sides being part of an outwardly extending member; a resilient weather stripping bumper retained by the inwardly extending member; a resilient locking bumper retained by the outwardly extending member; the pair of panels arranged between the bumpers, with the portion of one of the panels which surrounds the opening abutting the weather stripping bumper and the portion of the other panel which surrounds the opening abutting the locking bumper; and the core exerting a force on the panels which urges the panel portions against the bumpers to retain the panels so arranged.
Claim 3
Dependent Claim
41 words
A door assembly as described by claim 1, including: the side terminating in the inwardly extending member extending below the bottom separating the sides and terminating in a C-shaped member; and another resilient weather stripping bumper retained by the C-shaped member.
Claim 4
Dependent Claim
107 words
A door assembly as described by claim 1, wherein: the outwardly extending member has a U-shaped section, with the other of the sides of the frame member section being one of the sides of the U-shaped section, and the other of the sides of the U-shaped section terminating in a lip; the locking bumper has a V-shaped section with a groove at the apex thereof engaging the lip; and the other of the sides of the frame member section abuts one of the legs of the V-shaped section and the portion of the other panel which surrounds the opening abuts the other leg of the V-shaped section.
Claim 5
Dependent Claim
60 words
A door assembly as described by claim 1, wherein: the inwardly extending member has a substantially C-shaped section; and the weather stripping bumper has a substantially T-shaped section with a crossbar portion retained in the C-shaped section and a base portion extending beyond said section, with the portion of the one panel which surrounds the opening abutting said base portion.
Claim 6
Dependent Claim
39 words
A door assembly as described by claim 2, wherein: the weather stripping bumper retained by the C-shaped section has a substantially H-shaped section with one leg retained in the C-shaped section and the other leg extending beyond said section.
Claim 7
Dependent Claim
95 words
A door assembly as described by claim 5, including: an insert having upper, lower and side members; each of the members having a section which retains a glass pane; said section supported in the frame by the bottom of the section of a corresponding frame member and by the leg of the H-shaped bumper extending beyond C-shaped section; an arm extending from the insert member section substantially normal to the glass pane and terminating in a lip, said lip, arm and pane cooperating to form a channel; and a snap-in panel retained in the channel.
Claim 8
Dependent Claim
93 words
A door assembly as described by claim 5, including: an insert having upper, lower and side members; each of the members having a member which retains a screen; said section supported in the frame by the bottom of the section of a corresponding frame member and by the leg of the H-shaped section extending beyond the C-shaped section; an arm extending from the insert member section substantially normal to the screen and having a pair of lips arranged with said arm to form a channel; and a snap-in panel retained in the channel.
Claim 9
Dependent Claim
42 words
A door assembly as described by claim 5, wherein: the C-shaped section which retains the weather stripping bumper has a pair of arms terminating in oppositely directed lips; and the lips lock the one leg of the bumper in the C-shaped section.
Claim 10
Dependent Claim
38 words
A door assembly as described by claim 4, wherein: the C-shaped section of the inwardly extending member has a pair of oppositely directed lips; and the lips lock the crossbar portion of the bumper in the C-shaped section.
Claim 11
Dependent Claim
63 words
A door assembly as described by claim 1, wherein: the portion of the one panel which surrounds the opening abuts the weather stripping bumper so as to be out of contact with the inwardly extending member; and the portion of the other panel which surrounds the opening abuts the locking bumper so as to be out of contact with the outwardly extending member.
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) | 1976-04-16 | 1976-10-16 | 1977-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-16 | 1980-10-16 | 1981-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-16 | 1984-10-16 | 1985-04-17 | $7700.00 | Window Closed / Lapsed |