US3173370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Igniter for solid propellant
Assignee: Lockheed Martin Corp
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Filing: 1961-12-26
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Granted: 1965-03-16
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Expires: 1981-12-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Theodore E Landry
- 👤 Donald W Hanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:56
CPC Classifications
F; F42; F42C; F42C19/00; F42C19/08; F42C19/0819; F02; F02K; F02K9/00; F02K9/95; F42C19/0823; F42C19/0834
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
AN IGNITING DEVICE FOR A SOLID PROPELLANT GRAIN COMPRISING, A SELF-SUPPORTING SHEET OF PLASTIC MATERIAL HAVING A PLURALITY OF PROTUBERANCES INTEGRAL THEREWITH, A STAND-LIKE DETONATING FUSE OF HIGH DETONATION VELOCITY EXTENDING BACK AND FORTH BETWEEN ADJACENT PAIRS OF SAID PROTUBERANCES TO THEREBY COVER SUBSTANTIALLY THE ENTIRE AREA OF SAID SHEET, A PLURALITY OF CHARGES OF PYROTECHNIC MATERIAL ENCLOSED WITHIN AT LEAST A PORTION OF SAID PROTUBERANCES AT SPACED INTERVALS ALONG AND CLOSELY ADJACENT SAID FUSE, SAID PYROTECHNIC MATERIAL BEING IGNITABLE BY SAID FUSE, SAID SHEET BEING CAPABLE OF BEING BENT AND INSERTED INTO A PORT IN A PROPELLANT GRAIN.
Claim 2
Dependent Claim
99 words
AN IGNITING DEVICE FOR A SOLID PROPELLANT GRAIN COMPRISING, A SELF-SUPPORTING SHEET OF PLASTIC MATERIAL HAVING A PLURALITY OF PROTUBERANCES INTEGRAL THEREWITH, A STAND-LIKE DETONATING FUSE OF HIGH DETONATION VELOCITY EXTENDING BACK AND FORTH BETWEEN ADJACENT PAIRS OF SAID PROTUBERANCES TO THEREBY COVER SUBSTANTIALLY THE ENTIRE AREA OF SAID SHEET, A PLURALITY OF CHARGES OF PYROTECHNIC MATERIAL ENCLOSED WITHIN AT LEAST A PORTION OF SAID PROTUBERANCES AT SPACED INTERVALS ALONG AND CLOSELY ADJACENT SAID FUSE, SAID PYROTECHNIC MATERIAL BEING IGNITABLE BY SAID FUSE, SAID SHEET BEING CAPABLE OF BEING BENT AND INSERTED INTO A PORT IN A PROPELLANT GRAIN.
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) | 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 |