US2481256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Balance testing device
Assignee: GWEN IOLA SUTTON
•
Filing: 1944-02-24
•
Granted: 1949-09-06
•
Expires: 1964-02-24
Abstract
No abstract record available.
Inventors
- 👤 Charles E Sutton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:21
CPC Classifications
G; G01; G01M; G01M1/00; G01M1/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US728315A
Cited
GB114195A
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US1328370A
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US1352905A
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US1704237A
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US2039211A
Cited
US2136633A
Cited
US2172006A
Cited
US2298656A
Cited
US2338057A
Cited
US2436096A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-05 | 1953-03-07 | 1953-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-05 | 1957-03-07 | 1957-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-05 | 1961-03-07 | 1961-09-06 | $7700.00 | Window Closed / Lapsed |