Patent US3062147A successfully refreshed from Google Patents.
US3062147A
Expired / Lapsed
US
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Igniter for solid propellant grains
Assignee: EIDP Inc
•
Filing: 1959-09-28
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Granted: 1962-11-06
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Expires: 1979-09-28
Abstract
No abstract record available.
Inventors
- 👤 Davis Clyde Oliver
- 👤 Noddin George Adelbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:56
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/95; C; C06; C06C; C06C9/00; Y; Y10; Y10S; Y10S62/00; Y10S62/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A COMBINATION OF AN ELONGATED TUBULAR PROPELLANT GRAIN HAVING A CAVITY EXTENDING SUBSTANTIALLY THE LENGTH OF SAID GRAIN AND DISPOSED WITHIN AND EXTENDING SUBSTANTIALLY THE LENGTH OF SAID CAVITY AN IGNITER ADAPTED TO EFFECT IGNITION OF THE ENTIRE EXPOSED SURFACE OF THE GRAIN IN SUCH
Claim 2
Dependent Claim
45 words
A COMBINATION OF AN ELONGATED TUBULAR PROPELLANT GRAIN HAVING A CAVITY EXTENDING SUBSTANTIALLY THE LENGTH OF SAID GRAIN AND DISPOSED WITHIN AND EXTENDING SUBSTANTIALLY THE LENGTH OF SAID CAVITY AN IGNITER ADAPTED TO EFFECT IGNITION OF THE ENTIRE EXPOSED SURFACE OF THE GRAIN IN SUCH
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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) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |