US2845951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure regulating means
Assignee: Individual
•
Filing: 1954-08-30
•
Granted: 1958-08-05
•
Expires: 1974-08-30
Abstract
No abstract record available.
Inventors
- 👤 Dale G Hugley
- 👤 Harry M Wyatt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:40
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0644; G05D16/0655; F; F16; F16L; F16L55/00; F16L55/04; F16L55/045; F16L55/05; F16L55/052
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US737984A
Cited
US1135579A
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US1589288A
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US2405734A
Cited
US2659391A
Cited
US2609001A
Cited
GB684319A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |