US3765334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conductive igniter composition
Assignee: United States Department of the Navy
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Filing: 1971-12-20
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Granted: 1973-10-16
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Expires: 1991-12-20
Abstract
Abstract A conductive igniter strand comprising a mixture of Viton, Teflon, magnesium and graphite which reduces the dangers from electrostatic discharge and at the same time provides adequate ignition.
Inventors
- 👤 J Diebold
- 👤 J Eldridge
- 👤 A Rentz
- 👤 C Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:12
CPC Classifications
C; C06; C06C; C06C9/00; C06B; C06B23/00; C06B23/009; F; F42; F42C; F42C19/00; F42C19/08; F42C19/0803; Y; Y10; Y10S; Y10S149/00; Y10S149/11; Y10S149/114
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
The strand in accordance with claim 1 wherein the mixture consists essentially of 30 percent polytetrafluoroethylene, 16 percent of the copolymer of hexafluoropropylene and vinylidenefluoride, 34 percent magnesium and 20 percent graphite.
Claim 2
Dependent Claim
32 words
The strand in accordance with claim 2 wherein the magnesium ranges in particle size from 10 - 200 Mu , and the graphite has a nominal particle size of 3 Mu .
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-15 | 1977-04-16 | 1977-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-15 | 1981-04-16 | 1981-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-15 | 1985-04-16 | 1985-10-16 | $7700.00 | Window Closed / Lapsed |