Patent US3107546A successfully refreshed from Google Patents.
US3107546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal stop means for valves
Assignee: MCC Holdings Inc
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Filing: 1960-04-25
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Granted: 1963-10-22
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Expires: 1980-04-25
Abstract
No abstract record available.
Inventors
- 👤 Milton E Rowland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:33
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/06; F16K5/0647; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20474; Y10T74/20576; Y10T74/20582; Y10T74/2063
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
AN INTERNAL STOP MEANS FOR VALVES INCLUDING A VALVE BODY, A BONNET ON THE BODY, A STEM EXTENDING THROUGH THE BONNET AND PROJECTING FROM THE SAME, A STOP MEANS FOR SAID STEM COMPRISING A PLATE REMOVABLY AND NONROTATABLY MOUNTED IN SAID BONNET, A PROJECTION ON SAID PLATE, SAID BONNET HAVING A RECESS THEREIN TO RECEIVE THE PROJECTION AND NONROTATABLY HOLD SAID PLATE IN THE BONNET, SAID STEM EXTENDING THROUGH THE PLATE, STOP LUGS DEPENDING FROM THE PLATE, SAID STOP LUGS BEING POSITIONED ONE ON EACH SIDE OF THE STEM, A STOP MEMBER, A FLAT FACE ON THE STEM, SAID STOP MEMBER HAVING A BORE THEREIN TO FIT SAID FLAT FACE ON THE STEM, SAID STOP MEMBER BEING ENGAGEABLE WITH THE STOP LUGS ON ROTATION OF THE STEM, SAID STOP MEMBER BEING FORMED WITH DIAMETRICALLY OPPOSED TAPERED POINTS THEREON, SAID TAPERED POINTS ON THE MEMBER BEING ENGAGEABLE WITH SAID STOP LUGS.
Claim 2
Dependent Claim
150 words
AN INTERNAL STOP MEANS FOR VALVES INCLUDING A VALVE BODY, A BONNET ON THE BODY, A STEM EXTENDING THROUGH THE BONNET AND PROJECTING FROM THE SAME, A STOP MEANS FOR SAID STEM COMPRISING A PLATE REMOVABLY AND NONROTATABLY MOUNTED IN SAID BONNET, A PROJECTION ON SAID PLATE, SAID BONNET HAVING A RECESS THEREIN TO RECEIVE THE PROJECTION AND NONROTATABLY HOLD SAID PLATE IN THE BONNET, SAID STEM EXTENDING THROUGH THE PLATE, STOP LUGS DEPENDING FROM THE PLATE, SAID STOP LUGS BEING POSITIONED ONE ON EACH SIDE OF THE STEM, A STOP MEMBER, A FLAT FACE ON THE STEM, SAID STOP MEMBER HAVING A BORE THEREIN TO FIT SAID FLAT FACE ON THE STEM, SAID STOP MEMBER BEING ENGAGEABLE WITH THE STOP LUGS ON ROTATION OF THE STEM, SAID STOP MEMBER BEING FORMED WITH DIAMETRICALLY OPPOSED TAPERED POINTS THEREON, SAID TAPERED POINTS ON THE MEMBER BEING ENGAGEABLE WITH SAID STOP LUGS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |