Patent US2937613A successfully refreshed from Google Patents.
US2937613A
Expired / Lapsed
US
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Balancing apparatus
Assignee: Individual
•
Filing: 1957-11-20
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Granted: 1960-05-24
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Expires: 1977-11-20
Abstract
No abstract record available.
Inventors
- 👤 Everett P Larsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:08
CPC Classifications
G; G01; G01M; G01M1/00; G01M1/30; F; F16; F16F; F16F15/00; F16F15/32; F16F15/322
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2731887A
Cited
US2327608A
Cited
US2373638A
Cited
US2432659A
Cited
GB637177A
Cited
US2754795A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |