US2641460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torsion weighing device
Assignee: Individual
•
Filing: 1946-02-23
•
Granted: 1953-06-09
•
Expires: 1966-02-23
Abstract
No abstract record available.
Inventors
- 👤 Kenneth R Larson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:11
CPC Classifications
G; G01; G01G; G01G3/00; G01G3/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1407987A
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US1827560A
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US2124968A
Cited
FR786861A
Cited
US2352906A
Cited
US2458481A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |