US2486019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet control apparatus applicable to entrainment of fluids
Assignee: DANIEL AND FLORENCE GUGGENHEIM
•
Filing: 1943-01-11
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Granted: 1949-10-25
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Expires: 1963-01-11
Abstract
No abstract record available.
Inventors
- 👤 Robert H Goddard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:25
CPC Classifications
F; F04; F04F; F04F5/00; F04F5/44; F04F5/46; F04F5/462; F02; F02K; F02K9/00; F02K9/80; F02K9/82; Y; Y10; Y10S; Y10S60/00; Y10S60/915
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) | 1952-10-24 | 1953-04-25 | 1953-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-24 | 1957-04-25 | 1957-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-24 | 1961-04-25 | 1961-10-25 | $7700.00 | Window Closed / Lapsed |