US3265083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pig handling valve
Assignee: Texsteam Inc
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Filing: 1963-10-04
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Granted: 1966-08-09
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Expires: 1983-10-04
Abstract
No abstract record available.
Inventors
- 👤 Norman H Sachnik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:52
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/26; F16L55/46; Y; Y10; Y10T; Y10T137/00; Y10T137/4891
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A PIG INJECTOR VALVE COMPRISING, A BODY HAVING AN INLET, AN OUTLET AT RIGHT ANGLES TO SAID INLET, A PIG CHAMBER DIAMETRICALLY OPPOSITE SAID OUTLET FOR RECEIVING A PIG, MEANS FOR CLOSING THE END OF THE PIG CHAMBER REMOTE FROM THE BODY, A PLUG IN SAID BODY HAVING A PIG RECEIVING CHAMBER WITH AN INLET AND AN OUTLET, SAID PIG RECEIVING CHAMBER INLET ALWAYS IN COMMUNICATION WITH SAID BODY INLET AND SAID PLUG MOVABLE BETWEEN A FIRST POSITION FOR INTERCOMMUNICATING THE PIG RECEIVING CHAMBER OUTLET WITH SAID BODY OUTLET AND A SECOND POSITION FOR PREVENTING COMMUNICATION THEREBETWEEN, SAID PIG RECEIVING PASSAGEWAY OUTLET COMMUNICATING WITH SAID PIG CHAMBER IN SAID SECOND POSITION TO LOAD A PIG IN THE PIG RECEIVING PASSAGEWAY OF SAID PLUG, SAID PLUG SEALINGLY CLOSING SAID PIG CHAMBER IN SAID FIRST POSITION, AND RIDGE MEANS IN SAID PIG RECEIVING CHAMBER OPPOSITE SAID PIG RECEIVING CHAMBER OUTLET AND AXIALLY EXTENDING RELATIVE TO SAID PIG RECEIVING CHAMBER INLET TO PREVENT MOVEMENT OF A PIG THROUGH SAID INLET.
Claim 2
Dependent Claim
167 words
A PIG INJECTOR VALVE COMPRISING, A BODY HAVING AN INLET, AN OUTLET AT RIGHT ANGLES TO SAID INLET, A PIG CHAMBER DIAMETRICALLY OPPOSITE SAID OUTLET FOR RECEIVING A PIG, MEANS FOR CLOSING THE END OF THE PIG CHAMBER REMOTE FROM THE BODY, A PLUG IN SAID BODY HAVING A PIG RECEIVING CHAMBER WITH AN INLET AND AN OUTLET, SAID PIG RECEIVING CHAMBER INLET ALWAYS IN COMMUNICATION WITH SAID BODY INLET AND SAID PLUG MOVABLE BETWEEN A FIRST POSITION FOR INTERCOMMUNICATING THE PIG RECEIVING CHAMBER OUTLET WITH SAID BODY OUTLET AND A SECOND POSITION FOR PREVENTING COMMUNICATION THEREBETWEEN, SAID PIG RECEIVING PASSAGEWAY OUTLET COMMUNICATING WITH SAID PIG CHAMBER IN SAID SECOND POSITION TO LOAD A PIG IN THE PIG RECEIVING PASSAGEWAY OF SAID PLUG, SAID PLUG SEALINGLY CLOSING SAID PIG CHAMBER IN SAID FIRST POSITION, AND RIDGE MEANS IN SAID PIG RECEIVING CHAMBER OPPOSITE SAID PIG RECEIVING CHAMBER OUTLET AND AXIALLY EXTENDING RELATIVE TO SAID PIG RECEIVING CHAMBER INLET TO PREVENT MOVEMENT OF A PIG THROUGH SAID INLET.
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) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |