US3139898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic pressure regulator
Assignee: Milesmaster Inc
•
Filing: 1961-05-12
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Granted: 1964-07-07
•
Expires: 1981-05-12
Abstract
No abstract record available.
Inventors
- 👤 Bernard M Wiltgen
- 👤 Robert J White
- 👤 Trainor Tully
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:24
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0675; G05D16/0683; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/599; Y10T137/7504; Y10T137/7668; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7822; Y10T137/783
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A PRESSURE REGULATOR INCLUDING AN INVERTED CUPSHAPED SHELL HAVING INLET AND OUTLET FITTINGS MOLDED INTEGRALLY THEREWITH OF SYNTHETIC PLASTIC, AN INSERT ALSO OF INVERTED CUPLIKE SHAPE SNUGLY FITTING WITHIN THE SHELL AND, WITH THE FITTINGS, FORMING INLET AND OUTLET PASSAGES, A DIAPHRAGM PERIPHERALLY SECURED BETWEEN THE INSERT AND THE SHELL, VALVING STRUCTURE CONTROLLING FLOW BETWEEN THE INLET AND OUTLET PASSAGES AND OPERATIVELY CONNECTED TO THE CENTER OF THE DIAPHRAGM, SAID INSERT AND SHELL BEING SHAPED TO FORM A CHAMBER PROVIDING FOR MOVEMENT OF THE DIAPHRAGM, AND A BOWL PERIPHERALLY SEALED TO THE INSERT AND MEANS FOR PRESSING THE BOWL AGAINST THE INSERT TO PRESS IT INTO THE SHELL TO CLAMP THE DIAPHRAGM PERIPHERY.
Claim 2
Dependent Claim
113 words
A PRESSURE REGULATOR INCLUDING AN INVERTED CUPSHAPED SHELL HAVING INLET AND OUTLET FITTINGS MOLDED INTEGRALLY THEREWITH OF SYNTHETIC PLASTIC, AN INSERT ALSO OF INVERTED CUPLIKE SHAPE SNUGLY FITTING WITHIN THE SHELL AND, WITH THE FITTINGS, FORMING INLET AND OUTLET PASSAGES, A DIAPHRAGM PERIPHERALLY SECURED BETWEEN THE INSERT AND THE SHELL, VALVING STRUCTURE CONTROLLING FLOW BETWEEN THE INLET AND OUTLET PASSAGES AND OPERATIVELY CONNECTED TO THE CENTER OF THE DIAPHRAGM, SAID INSERT AND SHELL BEING SHAPED TO FORM A CHAMBER PROVIDING FOR MOVEMENT OF THE DIAPHRAGM, AND A BOWL PERIPHERALLY SEALED TO THE INSERT AND MEANS FOR PRESSING THE BOWL AGAINST THE INSERT TO PRESS IT INTO THE SHELL TO CLAMP THE DIAPHRAGM PERIPHERY.
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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) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |