US3464202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Density limiting turbocharger control system
Assignee: Caterpillar Inc
•
Filing: 1967-11-14
•
Granted: 1969-09-02
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Expires: 1987-11-14
Abstract
No abstract record available.
Inventors
- 👤 Harold H Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:03
CPC Classifications
F; F02; F02D; F02D9/00; F02D2700/00; F02D2700/02; F02D2700/0217; F02D2700/0225; F02D2700/0246
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2988872A
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US2088954A
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US2305070A
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US2410728A
Cited
US2989840A
Cited
US3096614A
Cited
US3173242A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |