US3779167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical initiator
Assignee: Olin Corp
•
Filing: 1972-09-05
•
Granted: 1973-12-18
•
Expires: 1992-09-05
Abstract
Abstract An initiator having a body of nitrocellulose material having a surface characterized by thin fibres or thin webs with a film of a conductive material adhered to said surface.
Inventors
- 👤 C Irish
- 👤 J Silva
- 👤 R Cowles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:42
CPC Classifications
F; F42; F42B; F42B5/00; F42B5/02; F42B5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
In combination, a conductive cup closed at one end by an electrode structure, an initiator in the other end of said cup, said initiator comprising a body of nitrocellulose having a surface characterized by a plurality of exposed fibres, a conductive film adhered to said surface in intimate contact with the fibres, said electrode structure including a first electrode in intimate contact with said conductive cup and said film and a second electrode electrically insulated from said first electrode and being in intimate contact with said film.
Claim 2
Dependent Claim
87 words
In combination, a conductive cup closed at one end by an electrode structure, an initiator in the other end of said cup, said initiator comprising a body of nitrocellulose having a surface characterized by a plurality of exposed fibres, a conductive film adhered to said surface in intimate contact with the fibres, said electrode structure including a first electrode in intimate contact with said conductive cup and said film and a second electrode electrically insulated from said first electrode and being in intimate contact with said film.
References Cited (Backward Citations)
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US3062146A
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US3611939A
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US3299812A
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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) | 1976-12-17 | 1977-06-18 | 1977-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-17 | 1981-06-18 | 1981-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-17 | 1985-06-18 | 1985-12-18 | $7700.00 | Window Closed / Lapsed |