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US3137231A Expired / Lapsed US ⏱️ 0.0 years remaining

Chaff dispenser system

Assignee: Individual
•
Filing: 1956-06-08
•
Granted: 1964-06-16
•
Expires: 1976-06-08
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Abstract

No abstract record available.

Inventors

  • 👤 Francis M Johnson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 19:37
CPC Classifications
F; F41; F41F; F41F3/00; F41F3/04; F41F3/06; F41F3/065; F42; F42B; F42B12/00; F42B12/02; F42B12/36; F42B12/56; F42B12/70

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 169 words
IN A CHAFF DISPENSING ROCKET, A HOLLOW FRANGIBLE CASING, A ROCKET PROPELLANT CUP IN THE REAR END OF SAID CASING FACING REARWARDLY AND SPACED INWARDLY FROM SAID CASING, SPACER MEANS BETWEEN SAID CUPS AND THE CASING FOR CENTRALLY SUPPORTING THE CUP IN THE CASING, SAID CUP HAVING A FUSE RECEIVING APERTURE THROUGH ITS FORWARD BOTTOM PORTION, A ROCKET PROPELLANT CHARGE IN SAID CUP FOR PROPELLING SAID ROCKET, A TIMING FUSE EXTENDING THROUGH SAID APERTURE INTO SAID PROPELLANT CHARGE TO BE IGNITED, THEREBY FOLLOWING A PREDETERMINED COMBUSTION OF SAID PROPELLANT, AN ELONGATED BURSTING CHARGE DISPOSED CENTRALLY AND LONGITUDINALLY WITHIN SAID CASING IN FORWARDLY SPACED RELATION TO SAID PROPELLANT CUP IN COMMUNICATION WITH SAID TIMING FUSE TO BE IGNITED THEREBY, RADAR REFLECTIVE CHAFF MATERIAL PACKED WITHIN SAID CASING SURROUNDING SAID ELONGATED BURSTING CHARGE, IGNITER MEANS DISPOSED IN THE REAR OF SAID PROPELLANT CUP, FOR IGNITING SAID PROPELLANT CHARGE, CLOSURE MEANS FOR THE FORWARD END OF SAID CASING, AND CLOSURE MEANS FOR THE REAR END OF SAID CASING AND SAID PROPELLANT CUP.
Claim 2
Dependent Claim 169 words
IN A CHAFF DISPENSING ROCKET, A HOLLOW FRANGIBLE CASING, A ROCKET PROPELLANT CUP IN THE REAR END OF SAID CASING FACING REARWARDLY AND SPACED INWARDLY FROM SAID CASING, SPACER MEANS BETWEEN SAID CUPS AND THE CASING FOR CENTRALLY SUPPORTING THE CUP IN THE CASING, SAID CUP HAVING A FUSE RECEIVING APERTURE THROUGH ITS FORWARD BOTTOM PORTION, A ROCKET PROPELLANT CHARGE IN SAID CUP FOR PROPELLING SAID ROCKET, A TIMING FUSE EXTENDING THROUGH SAID APERTURE INTO SAID PROPELLANT CHARGE TO BE IGNITED, THEREBY FOLLOWING A PREDETERMINED COMBUSTION OF SAID PROPELLANT, AN ELONGATED BURSTING CHARGE DISPOSED CENTRALLY AND LONGITUDINALLY WITHIN SAID CASING IN FORWARDLY SPACED RELATION TO SAID PROPELLANT CUP IN COMMUNICATION WITH SAID TIMING FUSE TO BE IGNITED THEREBY, RADAR REFLECTIVE CHAFF MATERIAL PACKED WITHIN SAID CASING SURROUNDING SAID ELONGATED BURSTING CHARGE, IGNITER MEANS DISPOSED IN THE REAR OF SAID PROPELLANT CUP, FOR IGNITING SAID PROPELLANT CHARGE, CLOSURE MEANS FOR THE FORWARD END OF SAID CASING, AND CLOSURE MEANS FOR THE REAR END OF SAID CASING AND SAID PROPELLANT CUP.

References Cited (Backward Citations)

US658231A Cited
US1284149A Cited
US2344957A Cited
US2411862A Cited
US2463233A Cited
US2503269A Cited
GB579259A Cited
FR924013A Cited
US2535309A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-06-16 1967-12-16 1968-06-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-06-16 1971-12-16 1972-06-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-06-16 1975-12-16 1976-06-16 $7700.00 Window Closed / Lapsed

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