US2798379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for determining the unbalance of a body in situ
Assignee: MERRILL
•
Filing: 1951-05-07
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Granted: 1957-07-09
•
Expires: 1971-05-07
Abstract
No abstract record available.
Inventors
- 👤 Marcellus S Merrill
- 👤 Lowell H Erickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:38
CPC Classifications
G; G01; G01M; G01M1/00; G01M1/02; G01M1/04; G01M1/045; G01M1/12; G01M1/14; G01M1/16; G01M1/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2023244A
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US2301291A
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US2383405A
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US2363316A
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US2539618A
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US2547764A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-08 | 1961-01-07 | 1961-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-08 | 1965-01-07 | 1965-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-08 | 1969-01-07 | 1969-07-09 | $7700.00 | Window Closed / Lapsed |