US3340894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure regulator
Assignee: ROSTRA ENGINEERED COMPONENTS Inc A CORP OF CT
•
Filing: 1965-05-07
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Granted: 1967-09-12
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Expires: 1985-05-07
Abstract
No abstract record available.
Inventors
- 👤 Selden T Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:13
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/0611; G05D16/0613; F; F16; F16K; F16K31/00; F16K31/001; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7808
Claims Analysis
Total Claims: 0
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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) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |