Patent US3173251A successfully refreshed from Google Patents.
US3173251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for igniting solid propellants
Assignee: Individual
•
Filing: 1962-03-16
•
Granted: 1965-03-16
•
Expires: 1982-03-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Harrison Allen
- 👤 Carl C Ciepluch
- 👤 Fletcher Edward Abraham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:41
CPC Classifications
F; F42; F42C; F42C19/00; F42C19/08; F42C19/0819; F02; F02K; F02K9/00; F02K9/95
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
APPARATUS FOR IGNITING A TUBE OF SOLID PROPELLANT HAVING A LONGITUDINAL BORE EXTENDING THERETHROUGH, SAID APPARATUS COMPRISING MEANS AT ONE END OF SAID TUBE FOR DIRECTING A STREAM OF HYPERGOLIC FLUID ALONG THE AXIS OF SAID BORE, AND A MEMBER POSITIONED IN THE PATH OF SAID STREAM OF HYPERGOLIC FLUID FOR DEFLECTING THE FLOW THEREOF TOWARD THE WALL OF SAID BORE AND INITIALLY CONCENTRATING SAID FLUID AT SAID ONE END TO REACT WITH SAID SOLID PROPELLANT IN SAID TUBE BEFORE ESCAPING FROM THE OPPOSITE END OF SAID BORE.
Claim 2
Dependent Claim
88 words
APPARATUS FOR IGNITING A TUBE OF SOLID PROPELLANT HAVING A LONGITUDINAL BORE EXTENDING THERETHROUGH, SAID APPARATUS COMPRISING MEANS AT ONE END OF SAID TUBE FOR DIRECTING A STREAM OF HYPERGOLIC FLUID ALONG THE AXIS OF SAID BORE, AND A MEMBER POSITIONED IN THE PATH OF SAID STREAM OF HYPERGOLIC FLUID FOR DEFLECTING THE FLOW THEREOF TOWARD THE WALL OF SAID BORE AND INITIALLY CONCENTRATING SAID FLUID AT SAID ONE END TO REACT WITH SAID SOLID PROPELLANT IN SAID TUBE BEFORE ESCAPING FROM THE OPPOSITE END OF SAID BORE.
References Cited (Backward Citations)
US2685168A
Cited
US2708341A
Cited
US2990682A
Cited
US2698514A
Cited
US2974484A
Cited
US2859588A
Cited
US2850975A
Cited
US3068641A
Cited
US2955420A
Cited
US2972227A
Cited
US3128599A
Cited
US2984973A
Cited
US3144751A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |