Patent US3721055A successfully refreshed from Google Patents.
US3721055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drywall door frame
Assignee: PIONEER IND US
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Filing: 1969-03-14
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Granted: 1973-03-20
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Expires: 1989-03-14
Abstract
Abstract The present metal frame has a hinge jamb, strike jamb, and a head which lock together in place over finished drywalls and said jambs each includes an anchor adjustably carried from the exterior of the jamb for tightening the anchor against the frame studs of a drywall until the door frame is positioned securely between said studs.
Inventors
- 👤 L Jerchower
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:53
CPC Classifications
E; E06; E06B; E06B1/00; E06B1/04; E06B1/12; E06B1/56; E06B1/60; E06B1/6015
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
186 words
A door frame comprising a pair of jambs, a head, said jambs and head having similar cross-sectional configuration and each including a front wall, a pair of spaced apart side walls extending normal to said front wall and each side wall having inwardly turned free end portion, each jamb side wall having a slanting end, said head side walls each having slanting ends each matching a corresponding slanting end of a jamb side wall, said jamb front wall having slots therein, said head front wall having end tongues each extending through a jamb slot, anchors positioned in said jambs, and screws extending through said jambs and each being in threaded engagement with one of said anchors for moving the same laterally of its jamb, sill anchors extending from said jamb side wall free end portions, said sill anchors each consist of an L-shaped member with a tongue extending parallel to, but spaced from the leg of the anchor and the base of the anchor butting one of said front walls and an inner jamb side wall free end portion positioned between said tongue and said leg.
Claim 2
Dependent Claim
186 words
A door frame comprising a pair of jambs, a head, said jambs and head having similar cross-sectional configuration and each including a front wall, a pair of spaced apart side walls extending normal to said front wall and each side wall having inwardly turned free end portion, each jamb side wall having a slanting end, said head side walls each having slanting ends each matching a corresponding slanting end of a jamb side wall, said jamb front wall having slots therein, said head front wall having end tongues each extending through a jamb slot, anchors positioned in said jambs, and screws extending through said jambs and each being in threaded engagement with one of said anchors for moving the same laterally of its jamb, sill anchors extending from said jamb side wall free end portions, said sill anchors each consist of an L-shaped member with a tongue extending parallel to, but spaced from the leg of the anchor and the base of the anchor butting one of said front walls and an inner jamb side wall free end portion positioned between said tongue and said leg.
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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) | 1976-03-19 | 1976-09-18 | 1977-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-19 | 1980-09-18 | 1981-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-19 | 1984-09-18 | 1985-03-20 | $7700.00 | Window Closed / Lapsed |