US2664749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure responsive equipment
Assignee: Individual
•
Filing: 1948-01-10
•
Granted: 1954-01-05
•
Expires: 1968-01-10
Abstract
No abstract record available.
Inventors
- 👤 Jones Barton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:05
CPC Classifications
G; G01; G01L; G01L13/00; G01L13/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US897730A
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US1459218A
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US1877810A
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GB325651A
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US1990264A
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FR829790A
Cited
US2146204A
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US2276580A
Cited
US2365573A
Cited
US2400048A
Cited
US2381429A
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US2497255A
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US2627750A
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US2564221A
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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) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |