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 03:24
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.
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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) | 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 |