US3421483A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supplemental fuel system
Assignee: Borg Warner Corp
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Filing: 1967-06-16
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Granted: 1969-01-14
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Expires: 1987-06-16
Abstract
No abstract record available.
Inventors
- 👤 Clarence D Fox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:36
CPC Classifications
F; F02; F02B; F02B11/00; F02B11/02; F02D; F02D19/00; F02D19/06; F02D19/0663; F02D19/0673; F02D19/0678; G; G05; G05D; G05D23/00; G05D23/19; G05D23/1919; G05D23/20; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y02T10/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |