US3965951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single chemical electric detonator
Assignee: United States Department of the Navy
•
Filing: 1974-11-08
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Granted: 1976-06-29
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Expires: 1994-11-08
Abstract
Abstract Mercuric-5-nitrotetrazole in an electrical explosive detonator serves as the sole explosive charge for detonating a secondary explosive.
Inventors
- 👤 Calvin L. Scott
- 👤 Howard S. Leopold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:31
CPC Classifications
C; C06; C06B; C06B41/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
22 words
In an electrical explosive detonator including a container for an explosive charge, the improvement wherein the explosive charge consists solely of mercuric-5-nitrotetrazole.
Claim 2
Dependent Claim
22 words
In an electrical explosive detonator including a container for an explosive charge, the improvement wherein the explosive charge consists solely of mercuric-5-nitrotetrazole.
Claim 3
Dependent Claim
30 words
In a method of detonating a secondary explosive with an electrical detonator wherein the electrical detonator contains an explosive charge, the improvement comprising an explosive charge consisting solely of mercuric-5-nitrotetrazole.
Claim 4
Dependent Claim
30 words
In a method of detonating a secondary explosive with an electrical detonator wherein the electrical detonator contains an explosive charge, the improvement comprising an explosive charge consisting solely of mercuric-5-nitrotetrazole.
References Cited (Backward Citations)
US3173921A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-06-29 | 1979-12-29 | 1980-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-06-29 | 1983-12-29 | 1984-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-06-29 | 1987-12-29 | 1988-06-29 | $7700.00 | Window Closed / Lapsed |