US3044741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve construction
Assignee: GROVE VALVE AND REGUIATOR Co
•
Filing: 1958-07-30
•
Granted: 1962-07-17
•
Expires: 1978-07-30
Abstract
No abstract record available.
Inventors
- 👤 Marvin H Grove
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:47
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/02; F16K3/16; F16K3/20; F16K3/207
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1476344A
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US1506021A
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US2030458A
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FR868864A
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US2370751A
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US2642942A
Cited
US2725077A
Cited
US2796230A
Cited
US2747600A
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US2726842A
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US2810543A
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US2864312A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |