Patent US3049103A successfully refreshed from Google Patents.
US3049103A
Expired / Lapsed
US
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Pressure actuated valve control
Assignee: MCC Holdings Inc
•
Filing: 1961-05-01
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Granted: 1962-08-14
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Expires: 1981-05-01
Abstract
No abstract record available.
Inventors
- 👤 Robert P Dumm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:51
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F15; F15B; F15B15/00; F15B15/08; F15B15/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US888814A
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US1965564A
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US2016067A
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US2302109A
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US2291354A
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US2314493A
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US2339042A
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US2553973A
Cited
US2613649A
Cited
US2780432A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |