Patent US3702090A successfully refreshed from Google Patents.
US3702090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet igniter
Assignee: BAE Systems Integrated Defense Solutions Inc
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Filing: 1965-02-05
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Granted: 1972-11-07
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Expires: 1985-02-05
Abstract
Abstract 1. A holding, launching and ignition device for a plurality of miniature rockets comprising in combination: A. A BLOCK OF FOAM PLASTIC; B. A PLURALITY OF HOLES THROUGH SAID PLASTIC, SAID HOLES EXTENDING FROM A FRONT SURFACE TO A REAR SURFACE OF THE BLOCK; C. A MINIATURE ROCKET HAVING A NOZZLE AT THE AFT END THEREOF IN EACH OF SAID HOLES; D. THE AFT END OF EACH NOZZLE BEING SUBSTANTIALLY FLUSH WITH THE REAR SURFACE OF THE BLOCK; E. A FUSE EXTENDING FROM EACH OF THE ROCKET NOZZLES AND BENT TO LIE FLUSH ON THE SURFACE OF THE BLOCK; F. A THIN PYROTECHNIC LAYER SPREAD OVER SUBSTANTIALLY THE ENTIRE REAR SURFACE OF THE BLOCK; G. SAID PYROTECHNIC LAYER ENCOMPASSING ALL OF THE ROCKET FUSES; AND H. MEANS FOR IGNITING THE PYROTECHNIC LAYER.
Inventors
- 👤 Charles T Hoard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:50
CPC Classifications
F; F41; F41F; F41F3/00; F41F3/04; F41F3/042
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
131 words
A HOLDING, LAUNCHING AND IGNITION DEVICE FOR A PLURALITY OF MINIATURE ROCKETS COMPRISING IN COMBINATION: A. A BLOCK OF FOAM PLASTIC; B. A PLURALITY OF HOLES THROUGH SAID PLASTIC, SAID HOLES EXTENDING FROM A FRONT SURFACE TO A REAR SURFACE OF THE BLOCK; C. A MINIATURE ROCKET HAVING A NOZZLE AT THE AFT END THEREOF IN EACH OF SAID HOLES; D. THE AFT END OF EACH NOZZLE BEING SUBSTANTIALLY FLUSH WITH THE REAR SURFACE OF THE BLOCK; E. A FUSE EXTENDING FROM EACH OF THE ROCKET NOZZLES AND BENT TO LIE FLUSH ON THE SURFACE OF THE BLOCK; F. A THIN PYROTECHNIC LAYER SPREAD OVER SUBSTANTIALLY THE ENTIRE REAR SURFACE OF THE BLOCK; G. SAID PYROTECHNIC LAYER ENCOMPASSING ALL OF THE ROCKET FUSES; AND H. MEANS FOR IGNITING THE PYROTECHNIC LAYER.
Claim 2
Dependent Claim
131 words
A HOLDING, LAUNCHING AND IGNITION DEVICE FOR A PLURALITY OF MINIATURE ROCKETS COMPRISING IN COMBINATION: A. A BLOCK OF FOAM PLASTIC; B. A PLURALITY OF HOLES THROUGH SAID PLASTIC, SAID HOLES EXTENDING FROM A FRONT SURFACE TO A REAR SURFACE OF THE BLOCK; C. A MINIATURE ROCKET HAVING A NOZZLE AT THE AFT END THEREOF IN EACH OF SAID HOLES; D. THE AFT END OF EACH NOZZLE BEING SUBSTANTIALLY FLUSH WITH THE REAR SURFACE OF THE BLOCK; E. A FUSE EXTENDING FROM EACH OF THE ROCKET NOZZLES AND BENT TO LIE FLUSH ON THE SURFACE OF THE BLOCK; F. A THIN PYROTECHNIC LAYER SPREAD OVER SUBSTANTIALLY THE ENTIRE REAR SURFACE OF THE BLOCK; G. SAID PYROTECHNIC LAYER ENCOMPASSING ALL OF THE ROCKET FUSES; AND H. MEANS FOR IGNITING THE PYROTECHNIC LAYER.
Claim 3
Dependent Claim
17 words
The device of claim 1, wherein a sheet of thin material is applied over the pyrotechnic layer.
Claim 4
Dependent Claim
148 words
A holding, launching and ignition device for a plurality of miniature rockets comprising in combination: a. a block of foam plastic; b. a plurality of holes through said plastic, said holes extending from a front surface to a rear surface of the block; c. a layer including front and rear surFaces secured to the rear surface of sad block; d. a miniature rocket having a nozzle at the aft end thereof in each of said holes; e. the aft end of each nozzle being substantially flush with the rear surface of the layer; f. a fuse extending from each of the rocket nozzles and bent to lie flush on the rear surface of the layer; g. a thin pyrotechnic layer spread over substantially the entire rear surface of the layer; h. said pyrotechnic layer encompassing all of the rocket fuses; and i. means for igniting the pyrotechnic layer.
Claim 5
Dependent Claim
148 words
A holding, launching and ignition device for a plurality of miniature rockets comprising in combination: a. a block of foam plastic; b. a plurality of holes through said plastic, said holes extending from a front surface to a rear surface of the block; c. a layer including front and rear surFaces secured to the rear surface of sad block; d. a miniature rocket having a nozzle at the aft end thereof in each of said holes; e. the aft end of each nozzle being substantially flush with the rear surface of the layer; f. a fuse extending from each of the rocket nozzles and bent to lie flush on the rear surface of the layer; g. a thin pyrotechnic layer spread over substantially the entire rear surface of the layer; h. said pyrotechnic layer encompassing all of the rocket fuses; and i. means for igniting the pyrotechnic layer.
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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) | 1975-11-07 | 1976-05-08 | 1976-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-07 | 1980-05-08 | 1980-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-07 | 1984-05-08 | 1984-11-07 | $7700.00 | Window Closed / Lapsed |