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US3963544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Priming formulation for rim fire ammunition
Assignee: Olin Corp
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Filing: 1975-09-04
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Granted: 1976-06-15
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Expires: 1995-09-04
Abstract
Abstract A priming composition for use in ammunition, which priming composition contains as a frictionator and sensitizer ground metallic oxide particles, such as cupric oxide, in place of ground glass.
Inventors
- 👤 Edward Anthony Staba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:09
CPC Classifications
C; C06; C06C; C06C7/00; C06B; C06B23/00; C06B23/001
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
34 words
A glassless priming composition for percussion ignition ammunition, said composition comprising: at least one primary explosive constituent; at least one oxidizing constituent; and a frictionator and sensitizer consisting of particles of ground cupric oxide.
Claim 2
Dependent Claim
34 words
A glassless priming composition for percussion ignition ammunition, said composition comprising: at least one primary explosive constituent; at least one oxidizing constituent; and a frictionator and sensitizer consisting of particles of ground cupric oxide.
Claim 3
Dependent Claim
19 words
The composition of claim 1 wherein said cupric oxide has a particle size of less than about 100 mesh.
Claim 4
Dependent Claim
20 words
The composition of claim 1, wherein said cupric oxide forms about 13% to 23% of the weight of the composition.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-06-15 | 1979-12-15 | 1980-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-06-15 | 1983-12-15 | 1984-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-06-15 | 1987-12-15 | 1988-06-15 | $7700.00 | Window Closed / Lapsed |