US3470858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for mixing air and fuel for internal combustion engines
Assignee: GEORGE H MYCROFT
•
Filing: 1967-08-16
•
Granted: 1969-10-07
•
Expires: 1987-08-16
Abstract
No abstract record available.
Inventors
- 👤 George H Mycroft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:56
CPC Classifications
G; G05; G05D; G05D11/00; G05D11/02; G05D11/13; G05D11/131; F; F02; F02D; F02D9/00; F02M; F02M31/00; F02M31/02; F02M31/16; F02M31/18; F02D2700/00; F02D2700/02; F02D2700/0217; F02D2700/0225; F02D2700/0228; F02D2700/023; F02D2700/0235; F02D2700/0261; F02D2700/0264; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |