US2970478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Balancing machine
Assignee: International Research and Development Co Ltd
•
Filing: 1955-11-18
•
Granted: 1961-02-07
•
Expires: 1975-11-18
Abstract
No abstract record available.
Inventors
- 👤 Arthur R Crawford
- 👤 Ongaro Theodore
- 👤 Wallace R Rushin
- 👤 Robert E Ellis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:47
CPC Classifications
G; G01; G01M; G01M1/00; G01M1/14; G01M1/16; G01M1/22; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17666; Y10T279/17692; Y10T279/17743; Y10T279/17752
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |