US2815666A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for measuring the unbalance of a revolving body
Assignee: Individual
•
Filing: 1951-02-17
•
Granted: 1957-12-10
•
Expires: 1971-02-17
Abstract
No abstract record available.
Inventors
- 👤 Pischel Brunhilde
- 👤 Pischel Eckhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:10
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)
US2167162A
Cited
US1599922A
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DE585907C
Cited
US1901344A
Cited
US2165024A
Cited
US2167488A
Cited
US2289074A
Cited
US2329654A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-09 | 1961-06-10 | 1961-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-09 | 1965-06-10 | 1965-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-09 | 1969-06-10 | 1969-12-10 | $7700.00 | Window Closed / Lapsed |