US3561470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve access barrel for use in streets
Assignee: Individual
•
Filing: 1969-03-19
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Granted: 1971-02-09
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Expires: 1989-03-19
Abstract
Abstract A barrel body structure having a bottom flange and open top and bottom ends has detachably connected to it a cover closing said barrel body structure at said top end thereof. A pilot extension is carried by said cover and depends into said barrel body structure and engages the same. The cover has a largest outside diameter which is smaller than the outside diameter of said barrel body structure at said top end thereof. Said cover is formed with a downwardly facing, conical seat face. The barrel body structure is formed with an upwardly facing, conical seat face in mating engagement with said seat face of said cover.
Inventors
- 👤 Erwin Hawle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:45
CPC Classifications
E; E03; E03B; E03B9/00; E03B9/02; E03B9/08; E03B9/10; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6966; Y10T137/6991; Y10T137/6995; Y10T137/7021
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
269 words
A valve access barrel for use in streets, which comprises a barrel body structure having a bottom flange and open top and bottom ends, a cover detachably connected to and closing said top end thereof, and a pilot extension carried by said cover and depending into said barrel body structure and engaging the same, said cover having a largest outside diameter which is smaller than the outside diameter of said barrel body structure at said top end thereof and being formed with a downwardly facing, conical seat face, said barrel body structure being formed with an upwardly facing, conical seat face in mating engagement with said seat face of said cover, and comprising an annular attachment structure which is formed with said open top end of said barrel body structure and said upwardly facing, conical seat face, and with a downwardly facing conical seat face, and a barrel body member detachably connected to said annular attachment structure and formed with said bottom flange and said open bottom and with an upwardly facing, conical seat face in mating engagement with said downwardly facing, conical seat face of said attachment structure, said barrel body member having an open top end, where it has the same outside diameter as said annular attachment at the top end of said barrel body structure, said downwardly facing, conical seat face of said cover being matingly engageable with said upwardly facing, conical seat face of said barrel body member when said annular attachment has been removed from said barrel body member and said cover, and said pilot extension depending into and engaging said barrel body member.
Claim 2
Dependent Claim
269 words
A valve access barrel for use in streets, which comprises a barrel body structure having a bottom flange and open top and bottom ends, a cover detachably connected to and closing said top end thereof, and a pilot extension carried by said cover and depending into said barrel body structure and engaging the same, said cover having a largest outside diameter which is smaller than the outside diameter of said barrel body structure at said top end thereof and being formed with a downwardly facing, conical seat face, said barrel body structure being formed with an upwardly facing, conical seat face in mating engagement with said seat face of said cover, and comprising an annular attachment structure which is formed with said open top end of said barrel body structure and said upwardly facing, conical seat face, and with a downwardly facing conical seat face, and a barrel body member detachably connected to said annular attachment structure and formed with said bottom flange and said open bottom and with an upwardly facing, conical seat face in mating engagement with said downwardly facing, conical seat face of said attachment structure, said barrel body member having an open top end, where it has the same outside diameter as said annular attachment at the top end of said barrel body structure, said downwardly facing, conical seat face of said cover being matingly engageable with said upwardly facing, conical seat face of said barrel body member when said annular attachment has been removed from said barrel body member and said cover, and said pilot extension depending into and engaging said barrel body member.
Claim 3
Dependent Claim
27 words
A valve access barrel as set forth in claim 1, in which said barrel body member is formed on its inside with ribs engaging said pilot extension.
Claim 4
Dependent Claim
32 words
A valve access barrel as set forth in claim 2, in which: said ribs of said barrel body member comprise longitudinally extending, radial ribs; and said pilot extension comprises a hollow cylinder.
Claim 5
Dependent Claim
38 words
A valve access barrel as set forth in claim 1, in which said barrel body member, annular attachment structure and cover are formed each with a cylindrical centering surface downwardly adjoining each of said conical seat faces thereof.
Claim 6
Dependent Claim
23 words
A valve access barrel as set forth in claim 1, in which said attachment structure is formed on its periphery with protruding noses.
Claim 7
Dependent Claim
18 words
A valve access barrel as set forth in claim 1, in which said barrel body member is frustoconical.
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) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |