Patent US3349792A successfully refreshed from Google Patents.
US3349792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tapping t and valve
Assignee: Phillips Petroleum Co
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Filing: 1965-02-24
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Granted: 1967-10-31
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Expires: 1985-02-24
Abstract
No abstract record available.
Inventors
- 👤 Mark E Larkin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:09
CPC Classifications
B; B23; B23B; B23B51/00; B23B51/04; B23B51/044; F; F16; F16L; F16L41/00; F16L41/04; F16L41/06; B23B2215/00; B23B2215/72; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/612; Y10T137/6123; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49833; Y10T29/49879; Y10T408/00; Y10T408/50; Y10T408/55; Y10T408/56; Y10T408/65; Y10T408/675; Y10T408/6793
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
200 words
A SERVICE T FOR TAPPING PLASTIC PIPE COMPRISING (A) A BODY HAVING (1) AN ELONGATED HOLLOW CONDUIT, A PORTION OF THE INNER SURFACE OF WHICH IS THREADED, SAID ELONGATED HOLLOW CONDUIT HAVING AN OUTLET OPENING IN A LATERAL SURFACE THEREOF, (2) A COLLAR PORTION BEING ARC-SHAPED IN CROSS SECTION AND ADAPTED TO FIT OVER A PORTION OF SAID PLASTIC PIPE, SAID COLLAR PORTION HAVING AN OPENING IN COMMUNICATION WITH THE AXIAL OPENING OF SAID ELONGATED HOLLOW CONDUIT, (B) AN ANNULAR CYLINDER IN SAID ELONGATED HOLLOW CONDUIT HAVING AT THE LOWER END THEREOF A MEANS FOR CUTTING A CIRCULAR COUPON FROM SAID PLASTIC PIPE TO LEAVE A CIRCULAR HOLE IN SAID PLASTIC PIPE, (1) A MEANS ON SAID ANNULAR CYLINDER FOR FASTENING SAID ANNULAR CYLINDER TO THE CUT WALL PORTION OF SAID HOLE IN SAID PLASTIC PIPE, (2) MEANS ON SAID ANNULAR CYLINDER FOR FASTENING SAID BODY OF (A) TO SAID ANNULAR CYLINDER TO HOLD SAID COLLAR PORTION OF (A) (2) IN SEALABLE CONTACT WITH SAID PLASTIC PIPE, (C) A VALVE BEING THREADABLY ENGAGEABLE WITH SAID INNER THREADED SURFACE OF SAID ELONGATED HOLLOW CONDUIT AND HAVING (1) MEANS FOR ENGAGING SAID COUPON CUT FROM SAID PLASTIC PIPE BY SAID CUTTING MEANS.
Claim 2
Dependent Claim
200 words
A SERVICE T FOR TAPPING PLASTIC PIPE COMPRISING (A) A BODY HAVING (1) AN ELONGATED HOLLOW CONDUIT, A PORTION OF THE INNER SURFACE OF WHICH IS THREADED, SAID ELONGATED HOLLOW CONDUIT HAVING AN OUTLET OPENING IN A LATERAL SURFACE THEREOF, (2) A COLLAR PORTION BEING ARC-SHAPED IN CROSS SECTION AND ADAPTED TO FIT OVER A PORTION OF SAID PLASTIC PIPE, SAID COLLAR PORTION HAVING AN OPENING IN COMMUNICATION WITH THE AXIAL OPENING OF SAID ELONGATED HOLLOW CONDUIT, (B) AN ANNULAR CYLINDER IN SAID ELONGATED HOLLOW CONDUIT HAVING AT THE LOWER END THEREOF A MEANS FOR CUTTING A CIRCULAR COUPON FROM SAID PLASTIC PIPE TO LEAVE A CIRCULAR HOLE IN SAID PLASTIC PIPE, (1) A MEANS ON SAID ANNULAR CYLINDER FOR FASTENING SAID ANNULAR CYLINDER TO THE CUT WALL PORTION OF SAID HOLE IN SAID PLASTIC PIPE, (2) MEANS ON SAID ANNULAR CYLINDER FOR FASTENING SAID BODY OF (A) TO SAID ANNULAR CYLINDER TO HOLD SAID COLLAR PORTION OF (A) (2) IN SEALABLE CONTACT WITH SAID PLASTIC PIPE, (C) A VALVE BEING THREADABLY ENGAGEABLE WITH SAID INNER THREADED SURFACE OF SAID ELONGATED HOLLOW CONDUIT AND HAVING (1) MEANS FOR ENGAGING SAID COUPON CUT FROM SAID PLASTIC PIPE BY SAID CUTTING MEANS.
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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |