US2569996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-adjusting reaction nozzle
Assignee: Individual
•
Filing: 1945-08-20
•
Granted: 1951-10-02
•
Expires: 1965-08-20
Abstract
No abstract record available.
Inventors
- 👤 Kollsman Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:53
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/97; F02K9/976
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US301228A
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US1225242A
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FR612783A
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US2303992A
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US2467150A
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US2413488A
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US2486967A
Cited
US2472949A
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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) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |