US2432022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Balancing machine
Assignee: TINOUS OLSEN TESTING MACHINE C
•
Filing: 1944-11-21
•
Granted: 1947-12-02
•
Expires: 1964-11-21
Abstract
No abstract record available.
Inventors
- 👤 George C Lawrie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:43
CPC Classifications
G; G01; G01M; G01M1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1590840A
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GB280380A
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DE506427C
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US2046294A
Cited
US2041771A
Cited
US2088553A
Cited
GB461387A
Cited
US2171927A
Cited
US2361299A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-01 | 1951-06-02 | 1951-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-01 | 1955-06-02 | 1955-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-01 | 1959-06-02 | 1959-12-02 | $7700.00 | Window Closed / Lapsed |