Patent US5422913A successfully refreshed from Google Patents.
Patent US3811644A successfully refreshed from Google Patents.
US3811644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe hanger
Assignee: Individual
•
Filing: 1972-11-22
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Granted: 1974-05-21
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Expires: 1992-11-22
Abstract
Abstract A hanger in the form of a U-shaped bracket for waste lines in buildings having concrete plank floors. Flanges are provided toward the closed end of the U for supporting the bracket on top of concrete planks siding the waste line opening. Downwardly extending tabs at the open end of the U extend between the planks to prevent the U from opening and upstanding portions of the bracket are provided with fastening devices to secure a waste line extending through the bracket and prevent downward movement thereof.
Inventors
- 👤 W Arnault
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:57
CPC Classifications
F; F16; F16L; F16L5/00; F16L3/00; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6966; Y10T137/6969; Y10T137/6988
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
111 words
A pipe hanger for supporting waste line passing vertically between two spaced concrete planks of a concrete-plank floor comprising: a. flanges for resting on said two concrete planks; b. a frame upstanding from said flanges having a closed end, for spanning the space between said spaced concrete planks, and an open end, said frame defining a substantially rectangular aperture open at said open end for passage about a pipe; c. two downwardly directed tabs depending from said flanges spaced to abut the inside edges of said spaced concrete planks; and, d. fastening means engaged with said frame for securing said frame to a pipe passing vertically through said substantially rectangular aperture.
Claim 2
Dependent Claim
111 words
A pipe hanger for supporting waste line passing vertically between two spaced concrete planks of a concrete-plank floor comprising: a. flanges for resting on said two concrete planks; b. a frame upstanding from said flanges having a closed end, for spanning the space between said spaced concrete planks, and an open end, said frame defining a substantially rectangular aperture open at said open end for passage about a pipe; c. two downwardly directed tabs depending from said flanges spaced to abut the inside edges of said spaced concrete planks; and, d. fastening means engaged with said frame for securing said frame to a pipe passing vertically through said substantially rectangular aperture.
Claim 3
Dependent Claim
43 words
A pipe hanger according to claim 1 wherein said fastening means are setscrews threaded through said frame for bearing against a waste line component passing therethrough whereby tightening of said setscrews tends to spread said open end forcing said tabs against said planks.
Claim 4
Dependent Claim
32 words
A pipe hanger according to claim 1 wherein said frame is cut away adjacent said open end for supporting a substantially horizontally directed pipe connection a predetermined distance above said concrete planks.
Claim 5
Dependent Claim
19 words
A pipe hanger according to claim 1 wherein said downwardly directed tabs are positioned substantially at said open end.
Claim 6
Dependent Claim
23 words
A pipe hanger according to claim 1 wherein said flanges, said frame, and said tabs are made of one integral piece of metal.
Claim 7
Dependent Claim
14 words
A pipe hanger according to claim 5 having the form of a U-shaped bracket.
Claim 8
Dependent Claim
18 words
A pipe hanger according to claim 6 comprising a length of angle iron cut and formed to shape.
References Cited (Backward Citations)
US751443A
Cited
US3105664A
Cited
US1494234A
Cited
US1533444A
Cited
US1997185A
Cited
US2439091A
Cited
US2721334A
Cited
US3004740A
Cited
US3495283A
Cited
US3521051A
Cited
US3435467A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-05-20 | 1977-11-19 | 1978-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-05-20 | 1981-11-19 | 1982-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-05-20 | 1985-11-19 | 1986-05-21 | $7700.00 | Window Closed / Lapsed |