US3177651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laser ignition
Assignee: RTX Corp
•
Filing: 1962-01-18
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Granted: 1965-04-13
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Expires: 1982-01-18
Abstract
No abstract record available.
Inventors
- 👤 Herbert R Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:21
CPC Classifications
F; F42; F42B; F42B3/00; F42B3/10; F42B3/113; F02; F02K; F02K9/00; F02K9/95
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
THE PROCESS OF FIRING A PLURALITY OF ROCKET ENGINES SIMULTANEOUSLY, EACH OF SAID ENGES HAVING A ROCKET NOZZLE AND AN IGNITER THEREIN, COMPRISING FORMING A BEAM OF COHERENT LIGHT, DIVIDING SAID BEAM INTO A PLURALITY OF SUB-BEAMS AND DIRECTING ONE OF SAID SUB-BEMAS THROUGH THE ROCKET NOZZLE AND INTO THE IGNITER OF EACH OF SAID ENGENES WHEREBY EACH OF THE ENGINES IS SIMULTANEOUSLY IGNITED.
Claim 2
Dependent Claim
64 words
THE PROCESS OF FIRING A PLURALITY OF ROCKET ENGINES SIMULTANEOUSLY, EACH OF SAID ENGES HAVING A ROCKET NOZZLE AND AN IGNITER THEREIN, COMPRISING FORMING A BEAM OF COHERENT LIGHT, DIVIDING SAID BEAM INTO A PLURALITY OF SUB-BEAMS AND DIRECTING ONE OF SAID SUB-BEMAS THROUGH THE ROCKET NOZZLE AND INTO THE IGNITER OF EACH OF SAID ENGENES WHEREBY EACH OF THE ENGINES IS SIMULTANEOUSLY IGNITED.
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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |