US3446440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double injection system with one nozzle
Assignee: International Motors LLC
•
Filing: 1967-06-14
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Granted: 1969-05-27
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Expires: 1987-06-14
Abstract
No abstract record available.
Inventors
- 👤 Edward C Pelz Jr
- 👤 Rudolf W Guertler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:14
CPC Classifications
F; F02; F02M; F02M61/00; F02M61/04; F02M61/10; F23; F23D; F23D11/00; F23D11/24; F02M2700/00; F02M2700/07; F02M2700/074
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) | 1972-05-26 | 1972-11-25 | 1973-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-26 | 1976-11-25 | 1977-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-26 | 1980-11-25 | 1981-05-27 | $7700.00 | Window Closed / Lapsed |