Patent US1792756A successfully refreshed from Google Patents.
US2810307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Balancing apparatus
Assignee: —
•
Filing: —
•
Granted: 1957-10-22
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Expires: 1974-10-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:46
CPC Classifications
G; G01; G01M; G01M1/00; G01M1/14; G01M1/16; G01M1/22; G01M1/02; G01M1/04; G01M1/045; G01M1/24; G01M1/30; G01M1/36; Y; Y10; Y10T; Y10T408/00; Y10T408/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2004540A
Cited
US2243379A
Cited
US2449429A
Cited
US2570660A
Cited
US2492092A
Cited
GB642916A
Cited
US2585325A
Cited
US2554033A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-21 | 1961-04-22 | 1961-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-21 | 1965-04-22 | 1965-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-21 | 1969-04-22 | 1969-10-22 | $7700.00 | Window Closed / Lapsed |