US2569997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet device for discharging a mixture of fluids
Assignee: Individual
•
Filing: 1946-01-04
•
Granted: 1951-10-02
•
Expires: 1966-01-04
Abstract
No abstract record available.
Inventors
- 👤 Kollsman Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:58
CPC Classifications
F; F01; F01D; F01D1/00; F01D1/32; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3943A
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US593219A
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GB189729508A
Cited
GB190005970A
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US857965A
Cited
US876860A
Cited
US884417A
Cited
FR382027A
Cited
US991074A
Cited
US1050410A
Cited
US2151949A
Cited
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 |