Patent US3841046A successfully refreshed from Google Patents.
US3841046A
Expired / Lapsed
US
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Wall form
Assignee: IND SERVICES Inc
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Filing: 1973-02-21
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Granted: 1974-10-15
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Expires: 1993-02-21
Abstract
Abstract A wall form comprised of metal straps with the faces spaced apart by and affixed to horizontal spacers. The spacers have receptacles for receiving fasteners for metal lath or the like.
Inventors
- 👤 P Scicchitano
- 👤 S Britz
- 👤 J Mccarthy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:17
CPC Classifications
E; E04; E04C; E04C5/00; E04C5/01; E04C5/02; E04C5/04; E04B; E04B2/00; E04B2/84
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
134 words
A wall form comprising, spaced grids each formed of a plurality of elongated first straps having spaced non-circular openings, a plurality of second elongated straps, said straps having spaced non-circular openings in a direction transverse to those of the first straps, said first plurality of straps being overlaid transversely across said second plurality of straps with their respective non-circular openings in alignment and a plurality of spacer members having non-circular end fastening portions, each of said non-circular end fastening portions passing through the non-circular openings of transversely overlaid elongated straps of each of said spaced grids and having a portion larger than the smallest dimension of the non-circular opening in each of said first and second straps which on rotation engages the overlaid straps of each grid to form a plurality of spaced grids.
Claim 2
Dependent Claim
134 words
A wall form comprising, spaced grids each formed of a plurality of elongated first straps having spaced non-circular openings, a plurality of second elongated straps, said straps having spaced non-circular openings in a direction transverse to those of the first straps, said first plurality of straps being overlaid transversely across said second plurality of straps with their respective non-circular openings in alignment and a plurality of spacer members having non-circular end fastening portions, each of said non-circular end fastening portions passing through the non-circular openings of transversely overlaid elongated straps of each of said spaced grids and having a portion larger than the smallest dimension of the non-circular opening in each of said first and second straps which on rotation engages the overlaid straps of each grid to form a plurality of spaced grids.
Claim 3
Dependent Claim
20 words
The wall form means of claim 1 wherein the spacer means are adapted to receiver fasteners in the ends thereof.
Claim 4
Dependent Claim
32 words
The wall form means of claim 1 wherein the spacer means have groove means at the non-circular ends for receiving and the plurality thepluraity of metal straps on rotation of said spacers.
Claim 5
Dependent Claim
18 words
The wall form means as claimed in claim 1 wherein the elongated first and second straps are metal.
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) | 1977-10-14 | 1978-04-15 | 1978-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-14 | 1982-04-15 | 1982-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-14 | 1986-04-15 | 1986-10-15 | $7700.00 | Window Closed / Lapsed |