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US3062147A Expired / Lapsed US ⏱️ 0.0 years remaining

Igniter for solid propellant grains

Assignee: EIDP Inc
•
Filing: 1959-09-28
•
Granted: 1962-11-06
•
Expires: 1979-09-28
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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 20:28
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

References Cited (Backward Citations)

US868876A Cited
US1440175A Cited
US2697325A Cited
US2704437A Cited
US2743580A Cited
US2775200A Cited
US2913982A Cited

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

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