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
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 |