US3089506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stopcock assembly
Assignee: Corning Glass Works
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Filing: 1961-03-28
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Granted: 1963-05-14
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Expires: 1981-03-28
Abstract
No abstract record available.
Inventors
- 👤 Joseph T Dunbeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:03
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/02; F16K5/025; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/6031; Y10T137/6058; Y10T137/6062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
192 words
A STOPCOCK INCLUDING A BODY HAVING AN ELONGATED TAPERED INTERNAL BORE, SAID BORE HAVING AN AXIAL OPEN OPPOSITE END AND SAID BODY HAVING OPPOSITELY DISPOSED TRANSVERSE PASSAGES INTERMEDIATE ITS ENDS DIRECTLY COMMUNICATIGN WSITH ITS TAPERED BORE, AN EXTERNALLY TAPERED PLUG MEMBER ROTATABLY SEATABLE IN THE BORE OF SAID BODY, SAID PLUG MEMBER HAVING A TRANSVERSE PASSAGE ALIGNABLE WITH SUCH TRANSVERSE PASSAGE AND HAVING A PORTION EXTENDING A SUBSTANTIAL DISTANCE BEYOND THE SMALL OPEN END OF SAID BODY HAVING A TRANSVERSE PASSAGE THERETHROUGH, A HOLLOW CYLINDRICAL MEMBER ENCIRCLING SUCH PORTION HAVING AN INWARDLY FLANGED OPEN END SEATED UPON THE END OF THE BODY THROUGH WHICH SUCH PORTION EXTENDS AND HAVING ALIGNED TRANSVERSE OPPOSITELY DISPOSED PASSAGES THERETHROUGH IN REGISTER WITH THE TRANSVERSE PASSAGES THERETHROUGH THE PLUG PORTION, A PIN PASSING THROUGH THE PASSAGE OF SUCH PLUG PORTION AND CYLINDRICAL MEMBER RESPECTIVELY, A COMPRESSION SPRING PARTLY COMPRESSED BETWEEN THE FLANGE OF SAID CYLINDRICAL MEMBER AND SAID PIN AND A WASHER INTERPOSED BETWEEN SAID SPRING AND SAID PIN HAVING TABS AVAILABLE THROUGH THE CYLINDRICAL MEMBER PASSAGES FOR SEIZURE TO COMPRESS SAID SPRING TO FACILITATE PASSAGE OF SAID PIN THROUGH THE PLUG AND CYLINDRICAL MEMBER PASSAGES RESPECTIVELY.
Claim 2
Dependent Claim
192 words
A STOPCOCK INCLUDING A BODY HAVING AN ELONGATED TAPERED INTERNAL BORE, SAID BORE HAVING AN AXIAL OPEN OPPOSITE END AND SAID BODY HAVING OPPOSITELY DISPOSED TRANSVERSE PASSAGES INTERMEDIATE ITS ENDS DIRECTLY COMMUNICATIGN WSITH ITS TAPERED BORE, AN EXTERNALLY TAPERED PLUG MEMBER ROTATABLY SEATABLE IN THE BORE OF SAID BODY, SAID PLUG MEMBER HAVING A TRANSVERSE PASSAGE ALIGNABLE WITH SUCH TRANSVERSE PASSAGE AND HAVING A PORTION EXTENDING A SUBSTANTIAL DISTANCE BEYOND THE SMALL OPEN END OF SAID BODY HAVING A TRANSVERSE PASSAGE THERETHROUGH, A HOLLOW CYLINDRICAL MEMBER ENCIRCLING SUCH PORTION HAVING AN INWARDLY FLANGED OPEN END SEATED UPON THE END OF THE BODY THROUGH WHICH SUCH PORTION EXTENDS AND HAVING ALIGNED TRANSVERSE OPPOSITELY DISPOSED PASSAGES THERETHROUGH IN REGISTER WITH THE TRANSVERSE PASSAGES THERETHROUGH THE PLUG PORTION, A PIN PASSING THROUGH THE PASSAGE OF SUCH PLUG PORTION AND CYLINDRICAL MEMBER RESPECTIVELY, A COMPRESSION SPRING PARTLY COMPRESSED BETWEEN THE FLANGE OF SAID CYLINDRICAL MEMBER AND SAID PIN AND A WASHER INTERPOSED BETWEEN SAID SPRING AND SAID PIN HAVING TABS AVAILABLE THROUGH THE CYLINDRICAL MEMBER PASSAGES FOR SEIZURE TO COMPRESS SAID SPRING TO FACILITATE PASSAGE OF SAID PIN THROUGH THE PLUG AND CYLINDRICAL MEMBER PASSAGES RESPECTIVELY.
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) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |