US2730899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamic balancing apparatus
Assignee: General Electric Co
•
Filing: 1952-08-19
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Granted: 1956-01-17
•
Expires: 1972-08-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Martin W Hellar
- 👤 Billy R Shepard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:35
CPC Classifications
G; G01; G01M; G01M1/00; G01M1/14; G01M1/16; G01M1/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2131602A
Cited
US2363373A
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US2382843A
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US2461645A
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US2451863A
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US2616289A
Cited
US2534918A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |