US3799055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical initiator
Assignee: Individual
•
Filing: 1972-09-05
•
Granted: 1974-03-26
•
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
- 👤 R Owles
- 👤 C Irish
- 👤 J Silva
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:54
CPC Classifications
F; F42; F42C; F42C19/00; F42C19/08; F42C19/12; B; B25; B25C; B25C1/00; B25C1/08; B25C1/10; B25C1/16; C; C06; C06C; C06C7/00; C06C7/02; F42B; F42B3/00; F42B3/10; F42B3/113; F42B5/00; F42B5/02; F42B5/08; F42B5/18; F42C19/085; F42C9/00; F42C9/10; F42C9/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
31 words
The combination of claim 1 wherein said conductive film has a thickness of between about 0.5 mil and 2.0 mils and a resistance of between about 2 ohms and 100 ohms.
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) | 1977-03-25 | 1977-09-24 | 1978-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-25 | 1981-09-24 | 1982-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-25 | 1985-09-24 | 1986-03-26 | $7700.00 | Window Closed / Lapsed |