US2933984A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods and apparatus for compensation of rotor unbalance
Assignee: Carl Schenck AG
•
Filing: 1956-08-29
•
Granted: 1960-04-26
•
Expires: 1976-08-29
Abstract
No abstract record available.
Inventors
- 👤 Hack Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:30
CPC Classifications
G; G01; G01M; G01M1/00; G01M1/14; G01M1/16; G01M1/22; Y; Y10; Y10S; Y10S29/00; Y10S29/901; Y10T; Y10T408/00; Y10T408/03; Y10T408/05; Y10T408/16; Y10T408/17; Y10T408/173; Y10T408/18; Y10T409/00; Y10T409/30; Y10T409/303864
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2054267A
Cited
US2243379A
Cited
US2196039A
Cited
US2289200A
Cited
US2359470A
Cited
US2363373A
Cited
US2748603A
Cited
US2746299A
Cited
US2779217A
Cited
US2783649A
Cited
US2792725A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |