Patent US4689930A successfully refreshed from Google Patents.
US4689930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Partition structure
Assignee: National Gypsum Co
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Filing: 1986-05-29
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Granted: 1987-09-01
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Expires: 2006-05-29
Abstract
Abstract A partition wall in which a plurality of sections are adjoined by a plurality of vertically spaced apart hollow clips having a tightenable screw protruding from each to which a section of wall is to be affixed, with each screw head being placed through a hole in the web of a metal stud near the end of each wall section, with the screw head screwed tight against the stud web material.
Inventors
- 👤 Robert J. Menchetti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:04
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/74; E04B2/76; E04B2/78; E04B2/7809; E04B2/7818; E04B2/7407; E04B2/7409; E04B2002/7461; E04B2002/7462
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
155 words
A clip for connecting a plurality of sections of partition wall, said clip comprising a relatively short length of a hollow tubular preformed rigid section of substantially uniform cross section, said preformed rigid section including a plurality of stud-engaging flat sides, each said stud-engaging flat side having means for first attachment to a stud of a partition wall section, said preformed rigid section further including at least two additional sides having means for firm attachment thereto of elongate clip-concealing trim strips, wherein said means for attachment to a stud in each stud-engaging flat side comprises a screw threadedly affixed to said clip with a screw-head located externally of said clip for engaging screw-head holding means of abutting studs, and wherein said means for attachment to a stud in each stud-engaging flat side further comprises a nut threadedly engaged by said screw and means for preventing rotation of said nut when said screw is rotated therein.
Claim 2
Dependent Claim
155 words
A clip for connecting a plurality of sections of partition wall, said clip comprising a relatively short length of a hollow tubular preformed rigid section of substantially uniform cross section, said preformed rigid section including a plurality of stud-engaging flat sides, each said stud-engaging flat side having means for first attachment to a stud of a partition wall section, said preformed rigid section further including at least two additional sides having means for firm attachment thereto of elongate clip-concealing trim strips, wherein said means for attachment to a stud in each stud-engaging flat side comprises a screw threadedly affixed to said clip with a screw-head located externally of said clip for engaging screw-head holding means of abutting studs, and wherein said means for attachment to a stud in each stud-engaging flat side further comprises a nut threadedly engaged by said screw and means for preventing rotation of said nut when said screw is rotated therein.
Claim 3
Dependent Claim
18 words
A clip as defined in claim 1 wherein said nut-rotation-prevention means includes at least one elongate inwardly-extending rib.
Claim 4
Dependent Claim
186 words
A partition wall comprising a plurality of sections adjoined together by a plurality of vertically spaced apart clips, each said clip being affixed to a vertical stud located at substantially the end of each of said plurality of sections of wall, said clips therein comprising a relatively short length of a hollow tubular preformed rigid section of substantially uniform cross section, said preformed rigid section including a plurality of stud-engaging flat sides, each said stud-engaging flat side having means for firm attachment to a stud of a partition wall section, said preformed rigid section further including at least two additional sides having means for firm attachment thereto of elongate clip-concealing trim strips, wherein said means for attachment to a stud in each stud-engaging flat side comprises a screw threadedly affixed to said clip with a screw-head located externally of said clip for engaging screw-head holding means of abutting studs, and wherein said means for attachment to a stud in each stud-engaging flat side further comprises a nut threadedly engaged by said screw and means for preventing rotation of said nut when said screw is rotated therein.
Claim 5
Dependent Claim
186 words
A partition wall comprising a plurality of sections adjoined together by a plurality of vertically spaced apart clips, each said clip being affixed to a vertical stud located at substantially the end of each of said plurality of sections of wall, said clips therein comprising a relatively short length of a hollow tubular preformed rigid section of substantially uniform cross section, said preformed rigid section including a plurality of stud-engaging flat sides, each said stud-engaging flat side having means for firm attachment to a stud of a partition wall section, said preformed rigid section further including at least two additional sides having means for firm attachment thereto of elongate clip-concealing trim strips, wherein said means for attachment to a stud in each stud-engaging flat side comprises a screw threadedly affixed to said clip with a screw-head located externally of said clip for engaging screw-head holding means of abutting studs, and wherein said means for attachment to a stud in each stud-engaging flat side further comprises a nut threadedly engaged by said screw and means for preventing rotation of said nut when said screw is rotated therein.
Claim 6
Dependent Claim
19 words
A partition wall as defined in claim 3 wherein said nut-rotation-prevention means includes at least one elongate inwardly-extending rib.
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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) | 1990-08-31 | 1991-03-02 | 1991-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-08-31 | 1995-03-02 | 1995-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-08-31 | 1999-03-02 | 1999-09-01 | $7700.00 | Window Closed / Lapsed |