Patent US4239073A successfully refreshed from Google Patents.
US4239073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Propellants in caseless ammunition
Assignee: ATK Launch Systems LLC
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Filing: 1973-01-17
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Granted: 1980-12-16
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Expires: 1993-01-17
Abstract
Abstract The compositions use oxidizers of HMX, RDX, ammonium nitrate, ammonium picrate and ammonium bitetrazole, and binders of lauryl methacrylate, glycidyl methacrylate, hydroxyethyl methacrylate, vinylene carbonate, polyformaldehyde mixtures were vinylene carbonate, and urethanes of polyethylene glycol and polyphenyl methylene isocyanate.
Inventors
- 👤 Russell Reed, Jr.
- 👤 William O. Munson
- 👤 John A. Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:43
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; Y; Y10; Y10S; Y10S149/00; Y10S149/11; Y10S149/111
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
40 words
A gun propellant composition comprising a major amount of a finely divided deflagrating component selected from cyclotetramethylene tetranitramine, cyclotrimethylene trinitramine, ammonium nitrate, ammonium picrate, ammonium bitetrazole and mixtures thereof, and a minor amount of a binder which is poly(lauryl methacrylate).
Claim 2
Dependent Claim
40 words
A gun propellant composition comprising a major amount of a finely divided deflagrating component selected from cyclotetramethylene tetranitramine, cyclotrimethylene trinitramine, ammonium nitrate, ammonium picrate, ammonium bitetrazole and mixtures thereof, and a minor amount of a binder which is poly(lauryl methacrylate).
Claim 3
Dependent Claim
26 words
A gun propellant according to claim 1 comprising 70% to 80% by weight of said deflagrating component and 20% to 30% by weight of said binder.
Claim 4
Dependent Claim
23 words
A gun propellant composition comprising a major amount of particulate cyclotetramethylene tetranitramine and a minor amount of a binder which is poly(lauryl methacrylate).
Claim 5
Dependent Claim
23 words
A gun propellant composition comprising a major amount of particulate cyclotetramethylene tetranitramine and a minor amount of a binder which is poly(lauryl methacrylate).
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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) | 1983-12-16 | 1984-06-16 | 1984-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-12-16 | 1988-06-16 | 1988-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-12-16 | 1992-06-16 | 1992-12-16 | $7700.00 | Window Closed / Lapsed |