US2707390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve testing device
Assignee: EDWARD VALVES Inc
•
Filing: 1948-12-15
•
Granted: 1955-05-03
•
Expires: 1968-12-15
Abstract
No abstract record available.
Inventors
- 👤 William H Beretish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:34
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/02; G01M3/26; G01M3/28; G01M3/2876
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US277756A
Cited
US1572158A
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US1720934A
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US1901966A
Cited
GB391218A
Cited
GB403687A
Cited
US2254259A
Cited
US2426406A
Cited
US2473646A
Cited
US2412638A
Cited
US2467552A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-02 | 1958-11-01 | 1959-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-02 | 1962-11-01 | 1963-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-02 | 1966-11-01 | 1967-05-03 | $7700.00 | Window Closed / Lapsed |