US3464803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable venturi carburetor
Assignee: Ambac Industries Inc
•
Filing: 1966-03-30
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Granted: 1969-09-02
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Expires: 1986-03-30
Abstract
No abstract record available.
Inventors
- 👤 John A Kimberley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:30
CPC Classifications
F; F02; F02M; F02M21/00; F02M21/02; F02M21/04; F02M21/047; F02M21/0218; F02M21/023; F02M21/0239; F02M21/042; F02M9/00; F02M9/12; F02M9/127; F02M9/133; F02B; F02B43/00; F02M21/0203; F02M21/0209; F02M21/0212; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/30; Y10; Y10S; Y10S261/00; Y10S261/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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 |