US2775957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valved piston follow-up servomotor
Assignee: Borg Warner Corp
•
Filing: 1954-12-31
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Granted: 1957-01-01
•
Expires: 1974-12-31
Abstract
No abstract record available.
Inventors
- 👤 J Edward C Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 11:40
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/12; B60T13/16; B60T13/161; B60T13/162; B60T13/163
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB384678A
Cited
US2265817A
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US2241374A
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US2395223A
Cited
US2410269A
Cited
US2544042A
Cited
US2500450A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-01 | 1960-07-02 | 1961-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-01 | 1964-07-02 | 1965-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-01 | 1968-07-02 | 1969-01-01 | $7700.00 | Window Closed / Lapsed |