US2426319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injection system
Assignee: RTX Corp
•
Filing: 1943-05-11
•
Granted: 1947-08-26
•
Expires: 1963-05-11
Abstract
No abstract record available.
Inventors
- 👤 Donald E Meitzler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:48
CPC Classifications
F; F02; F02M; F02M47/00; F02M47/02; F02M61/00; F02M61/04; F02M61/10; F02M2700/00; F02M2700/07; F02M2700/074
Claims Analysis
Total Claims: 0
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US2144862A
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US2283725A
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US2311916A
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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) | 1950-08-25 | 1951-02-24 | 1951-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-25 | 1955-02-24 | 1955-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-25 | 1959-02-24 | 1959-08-26 | $7700.00 | Window Closed / Lapsed |