Patent US3465736A successfully refreshed from Google Patents.
US3465736A
Expired / Lapsed
US
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Exhaust recycle control mechanism
Assignee: Atlantic Richfield Co
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Filing: 1967-10-09
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Granted: 1969-09-09
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Expires: 1987-10-09
Abstract
No abstract record available.
Inventors
- 👤 Harold D Daigh
- 👤 Clifford H Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:59
CPC Classifications
F; F02; F02D; F02D21/00; F02D21/06; F02D21/08; F02D9/00; F02D9/04; F02M; F02M26/00; F02M26/52; F02D2700/00; F02D2700/04; F02M1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2114548A
Cited
US2154417A
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US2354179A
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US2421406A
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US2419747A
Cited
US2722927A
Cited
US3237615A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |