Patent US4699177A successfully refreshed from Google Patents.
US4699177A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Positionable flanged wall pipe for masonry wall installation
Assignee: Individual
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Filing: 1984-08-20
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Granted: 1987-10-13
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Expires: 2004-08-20
Abstract
Abstract A flanged wall pipe or sleeve for masonry walls which utilizes a separate positionable flange member having a projecting radial flange adapted to permanent attachment to an intermediate area of the pipe. The flange member and barrel member of the pipe may have annular rib and groove portions for mating engagement. Alternately, the flange member may be attached by set screws or adhesive to prevent lateral movement of the joined members.
Inventors
- 👤 Charles T. Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:58
CPC Classifications
F; F16; F16L; F16L5/00; F16L5/02
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
81 words
A wall pipe comprising: a cylindrical pipe, having an annular groove formed in the exterior surface; a pair of semi-circular segment members, having outwardly extending lugs and inwardly projecting rib members; connecting means for connecting the lugs on one segment member to the lugs on the other segment member; and a resilient annular gasket between the cylindrical pipe and the segment members, the gasket having openings so that the rib members can directly interconnect with the groove in the cylindrical pipe.
Claim 2
Dependent Claim
81 words
A wall pipe comprising: a cylindrical pipe, having an annular groove formed in the exterior surface; a pair of semi-circular segment members, having outwardly extending lugs and inwardly projecting rib members; connecting means for connecting the lugs on one segment member to the lugs on the other segment member; and a resilient annular gasket between the cylindrical pipe and the segment members, the gasket having openings so that the rib members can directly interconnect with the groove in the cylindrical pipe.
Claim 3
Dependent Claim
19 words
A wall pipe as recited in claim 1, wherein the connecting means is a plurality of nuts and bolts.
Claim 4
Dependent Claim
18 words
A wall pipe as recited in claim 1, wherein the annular gasket is formed of a thermoplastic material.
Claim 5
Dependent Claim
34 words
A wall pipe as recited in claim 1, wherein the cylindrical pipe has a plurality of annual grooves formed in the exterior surface, to provide optional positioning of segment members on the pipe member.
Claim 6
Dependent Claim
87 words
A wall pipe comprising: a cylindrical pipe, having an annular groove formed in the exterior surface; a resilient annular gasket mounted around the cylindrical pipe and having openings; a pair of semi-circular segment members, having outwardly extending lugs and inwardly projecting rib members; and connecting means for connecting the lugs on one segment member to the lugs on the other segment member, in a position so that the rib members extend through the openings in the gasket to directly interconnect with the groove in the cylindrical pipe.
Claim 7
Dependent Claim
87 words
A wall pipe comprising: a cylindrical pipe, having an annular groove formed in the exterior surface; a resilient annular gasket mounted around the cylindrical pipe and having openings; a pair of semi-circular segment members, having outwardly extending lugs and inwardly projecting rib members; and connecting means for connecting the lugs on one segment member to the lugs on the other segment member, in a position so that the rib members extend through the openings in the gasket to directly interconnect with the groove in the cylindrical pipe.
Claim 8
Dependent Claim
19 words
A wall pipe as recited in clim 5, wherein the connecting means is a plurality of nuts and bolts.
Claim 9
Dependent Claim
19 words
A wall pipe as recited in clim 5, wherein the connecting means is a plurality of nuts and bolts.
Claim 10
Dependent Claim
18 words
A wall pipe as recited in claim 5, wherein the annular gasket is formed of a thermoplastic material.
Claim 11
Dependent Claim
34 words
A wall pipe as recited in claim 5, wherein the cylindrical pipe has a plurality of annual grooves formed in the exterior surface, to provide optional positioning of segment members on the pipe member.
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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) | 1990-10-12 | 1991-04-13 | 1991-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-10-12 | 1995-04-13 | 1995-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-10-12 | 1999-04-13 | 1999-10-13 | $7700.00 | Window Closed / Lapsed |