US3177652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ignition system for propellants
Assignee: Ethyl Corp
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Filing: 1961-02-27
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Granted: 1965-04-13
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Expires: 1981-02-27
Abstract
No abstract record available.
Inventors
- 👤 Lewis Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:12
CPC Classifications
C; C06; C06C; C06C9/00; C06B; C06B47/00; C06B47/02; C06B47/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
THE METHOD OF IGNITING SOLIDE PROPELLANTS WHICH COMPRISES CONTACTING IN A SOLID PROPELLANT COMBUSTION CHAMBER A COMPOUND SELECTED FROM THE GROUP CONSISTING OF: (A) BORON HYDRIDES HAVING THE FORMULA
Claim 2
Independent Claim
29 words
THE METHOD OF IGNITING SOLIDE PROPELLANTS WHICH COMPRISES CONTACTING IN A SOLID PROPELLANT COMBUSTION CHAMBER A COMPOUND SELECTED FROM THE GROUP CONSISTING OF: (A) BORON HYDRIDES HAVING THE FORMULA
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 |