Patent US4254945A successfully refreshed from Google Patents.
US4254945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fixture for hanging large panels
Assignee: Individual
•
Filing: 1980-04-21
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Granted: 1981-03-10
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Expires: 2000-04-21
Abstract
Abstract A fixture for use in hanging large panels of the type typically found in construction projects, the fixture including an elongated shelf or tray which may be horizontally aligned on the construction project and fastened to vertical studs by nails which are selectively positioned in channels along a vertical side wall of the fixture and in the shape of inverted "T's" or "L's". After the fixture has been used to align, support and fasten large panels to the vertical structure the fixture may be conveniently removed from its supporting position.
Inventors
- 👤 Leland E. Paulson
- 👤 Peter J. Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:17
CPC Classifications
E; E04; E04F; E04F21/00; E04F21/18; E04F21/1838; E04F21/1844; E04F21/185; Y; Y10; Y10S; Y10S269/00; Y10S269/904
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
47 words
Apparatus for supporting and assisting in the attachment of large panels, comprising an elongated channel member having a raised front lip and a higher raised rear side wall, said side wall having a plurality of slots in the shape of inverted T's spaced along its top edge.
Claim 2
Dependent Claim
47 words
Apparatus for supporting and assisting in the attachment of large panels, comprising an elongated channel member having a raised front lip and a higher raised rear side wall, said side wall having a plurality of slots in the shape of inverted T's spaced along its top edge.
Claim 3
Dependent Claim
23 words
The apparatus of claim 1, wherein the length of said elongated channel member is longer than an integer multiple of the panel width.
Claim 4
Dependent Claim
25 words
The apparatus of claim 2, wherein each of said plurality of slots has a vertical slot section which is wider than corresponding horizontal slot sections.
Claim 5
Dependent Claim
24 words
The apparatus of claim 3, wherein the spacing of said slots along the top edge of said rear side wall is at regular intervals.
Claim 6
Dependent Claim
16 words
The apparatus of claim 4, wherein said elongated channel member is constructed from sheet steel material.
Claim 7
Dependent Claim
63 words
Apparatus for supporting and assisting in the attachment of large panels, comprising an elongated channel member having a raised front lip and a higher raised rear side wall, said side wall having a plurality of slots spaced along its top edge, said slots each having a vertical section opening to said top edge and a substantially horizontal section opening to said vertical section.
Claim 8
Dependent Claim
63 words
Apparatus for supporting and assisting in the attachment of large panels, comprising an elongated channel member having a raised front lip and a higher raised rear side wall, said side wall having a plurality of slots spaced along its top edge, said slots each having a vertical section opening to said top edge and a substantially horizontal section opening to said vertical section.
Claim 9
Dependent Claim
17 words
The apparatus of claim 6, wherein said vertical slot section is wider than said horizontal slot section.
Claim 10
Dependent Claim
23 words
The apparatus of claim 7, wherein the length of said elongated channel member is longer than an integer multiple of the panel width.
Claim 11
Dependent Claim
24 words
The apparatus of claim 8, wherein the spacing of said slots along the top edge of said rear side wall is at regular intervals.
Claim 12
Dependent Claim
16 words
The apparatus of claim 9, wherein said elongated channel member is constructed from sheet steel material.
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) | 1984-03-09 | 1984-09-08 | 1985-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-03-09 | 1988-09-08 | 1989-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-03-09 | 1992-09-08 | 1993-03-10 | $7700.00 | Window Closed / Lapsed |