Patent US2501197A successfully refreshed from Google Patents.
US3124334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotatable ball valve structure with
Assignee: —
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Filing: —
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Granted: 1964-03-10
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:26
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/06; F16K5/0663; F16K5/0689
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A VALVE COMPRISING A ROTATABLE PLUG HAVING A PASSAGEWAY, INTEGRAL STEM MEANS PROJECTING FROM THE PERIPHERY OF SAID ROTATABLE PLUG, CIRCULAR GROOVES ON SAID STEM MEANS ADJACENT SAID PLUG, SEALING INSERTS UNDER COMPRESSION INTIMATELY SURROUNDING SAID PLUG AND THE GROOVES OF SAID STEM MEANS, PASSAGEWAYS IN SAID INSERTS COMMUNICATING WITH THE PASSAGEWAY OF SAID PLUG, HOUSINGS FIXEDLY SECURING AND INTIMATELY SURROUNDING SAID INSERTS, PASSAGEWAYS IN SAID HOUSINGS COMMUNICATING WITH THE PASSAGEWAYS OF SAID INSERTS, AND CHANNELS IN SAID HOUSINGS FOR RECEIVING SAID STEM MEANS AND EXPOSING AN END THEREOF, WHEREBY UPON ROTATION OF SAID EXPOSED END OF SAID STEM MEANS SAID PLUG IS ROTATED RELATIVE TO SAID INSERTS THEREBY OPENING AND CLOSING SAID VALVE.
Claim 2
Dependent Claim
114 words
A VALVE COMPRISING A ROTATABLE PLUG HAVING A PASSAGEWAY, INTEGRAL STEM MEANS PROJECTING FROM THE PERIPHERY OF SAID ROTATABLE PLUG, CIRCULAR GROOVES ON SAID STEM MEANS ADJACENT SAID PLUG, SEALING INSERTS UNDER COMPRESSION INTIMATELY SURROUNDING SAID PLUG AND THE GROOVES OF SAID STEM MEANS, PASSAGEWAYS IN SAID INSERTS COMMUNICATING WITH THE PASSAGEWAY OF SAID PLUG, HOUSINGS FIXEDLY SECURING AND INTIMATELY SURROUNDING SAID INSERTS, PASSAGEWAYS IN SAID HOUSINGS COMMUNICATING WITH THE PASSAGEWAYS OF SAID INSERTS, AND CHANNELS IN SAID HOUSINGS FOR RECEIVING SAID STEM MEANS AND EXPOSING AN END THEREOF, WHEREBY UPON ROTATION OF SAID EXPOSED END OF SAID STEM MEANS SAID PLUG IS ROTATED RELATIVE TO SAID INSERTS THEREBY OPENING AND CLOSING SAID VALVE.
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) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |