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US4206705A
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Electric initiator containing polymeric sulfur nitride
Assignee: United States Department of the Army
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Filing: 1978-06-19
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Granted: 1980-06-10
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Expires: 1998-06-19
Abstract
Abstract Polymeric sulfur nitride (SN) x is utilized as the conducting explosiveaterial in electric initiators.
Inventors
- 👤 Zafar Iqbal
- 👤 Harry D. Fair, Jr.
- 👤 David S. Downs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:40
CPC Classifications
C; C06; C06B; C06B43/00; F; F42; F42B; F42B3/00; F42B3/10; F42B3/12; F42B3/124; F42B3/128; Y; Y10; Y10S; Y10S149/00; Y10S149/12
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
29 words
An electric initiator comprising a container, and, located therein, a pair of spaced terminals with an explosive initiating means consisting essentially of polymeric sulfur nitride connected to said terminals.
Claim 2
Dependent Claim
29 words
An electric initiator comprising a container, and, located therein, a pair of spaced terminals with an explosive initiating means consisting essentially of polymeric sulfur nitride connected to said terminals.
Claim 3
Independent Claim
30 words
A method of detonating an explosive composition with an electric initiator comprising passing sufficient electric current through a polymeric sulfur nitride crystal whereby said crystal explodes, detonating said explosive composition.
Claim 4
Independent Claim
30 words
A method of detonating an explosive composition with an electric initiator comprising passing sufficient electric current through a polymeric sulfur nitride crystal whereby said crystal explodes, detonating said explosive composition.
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) | 1983-06-10 | 1983-12-10 | 1984-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-06-10 | 1987-12-10 | 1988-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-06-10 | 1991-12-10 | 1992-06-10 | $7700.00 | Window Closed / Lapsed |