US2660991A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supercharger driving control
Assignee: Borg Warner Corp
•
Filing: 1949-08-22
•
Granted: 1953-12-01
•
Expires: 1969-08-22
Abstract
No abstract record available.
Inventors
- 👤 Eugene W Wasielewski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:40
CPC Classifications
F; F02; F02D; F02D9/00; F02D2700/00; F02D2700/02; F02D2700/0217; F02D2700/0225; F02D2700/0246; F02D2700/0256
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1031245A
Cited
US1073801A
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US1396976A
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US1468987A
Cited
US1955799A
Cited
US2067757A
Cited
US2404323A
Cited
US2484672A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-30 | 1957-06-01 | 1957-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-30 | 1961-06-01 | 1961-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-30 | 1965-06-01 | 1965-12-01 | $7700.00 | Window Closed / Lapsed |