US3273337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Linear explosive type igniter train for rocket motor
Assignee: ATK Launch Systems LLC
•
Filing: 1963-09-30
•
Granted: 1966-09-20
•
Expires: 1983-09-30
Abstract
No abstract record available.
Inventors
- 👤 Christopher W Bolieau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:27
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/74; F02K9/76; F02K9/763; F02K9/95
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
AN IGNITION SYSTEM FOR A CLUSTER OF ROCKET MOTORS OF THE TYPE CONTAINING A SOLID PROPELLANT GRAIN COMPRISING A PRIMARY IGNITING MEANS FOR IGNITING THE PROPELLANT GRAINS IN THE PLURALITY OF MOTORS SIMULTANEOUSLY IN RESPONSE TO A COMMAND SIGNAL, SAID PRIMARY IGNITING MEANS INCLUDING AN ELEMENT IN EACH ROCKET MOTOR ADJACENT ITS PROPELLANT GRAIN WHICH CONTAINS A PYROTECHNIC MATERIAL AND AN ELECTRIC IGNITER CONNECTED TO THE PLURALITY OF ELEMENTS, A SECONDARY IGNITING MEANS INCLUDING LINEAR EXPLOSIVE TYPE IGNITER TRAINS FOR IGNITING ONE OR MORE MOTORS WHICH FAILS TO BECOME IGNITED BY THE PRIMARY IGNITING MEANS, AND EACH OF SAID IGNITER TRAINS INCLUDING AN IGNITING PORTION ADJACENT THE PROPELLANT GRAIN IN ONE OF SAID MOTORS AND A HEAT OPERATED PRIMER LOCATED TO RESPOND TO HEAT FROM ANOTHER MOTOR TO INITIATE OPERATION OF THE TRAIN.
Claim 2
Dependent Claim
133 words
AN IGNITION SYSTEM FOR A CLUSTER OF ROCKET MOTORS OF THE TYPE CONTAINING A SOLID PROPELLANT GRAIN COMPRISING A PRIMARY IGNITING MEANS FOR IGNITING THE PROPELLANT GRAINS IN THE PLURALITY OF MOTORS SIMULTANEOUSLY IN RESPONSE TO A COMMAND SIGNAL, SAID PRIMARY IGNITING MEANS INCLUDING AN ELEMENT IN EACH ROCKET MOTOR ADJACENT ITS PROPELLANT GRAIN WHICH CONTAINS A PYROTECHNIC MATERIAL AND AN ELECTRIC IGNITER CONNECTED TO THE PLURALITY OF ELEMENTS, A SECONDARY IGNITING MEANS INCLUDING LINEAR EXPLOSIVE TYPE IGNITER TRAINS FOR IGNITING ONE OR MORE MOTORS WHICH FAILS TO BECOME IGNITED BY THE PRIMARY IGNITING MEANS, AND EACH OF SAID IGNITER TRAINS INCLUDING AN IGNITING PORTION ADJACENT THE PROPELLANT GRAIN IN ONE OF SAID MOTORS AND A HEAT OPERATED PRIMER LOCATED TO RESPOND TO HEAT FROM ANOTHER MOTOR TO INITIATE OPERATION OF THE TRAIN.
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |