US3276379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bonding material for propellant grains
Assignee: Individual
•
Filing: 1962-06-08
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Granted: 1966-10-04
•
Expires: 1982-06-08
Abstract
No abstract record available.
Inventors
- 👤 Lawrence R Dallett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:48
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/08; F02K9/10; C; C06; C06B; C06B45/00; C06B45/12; F02K9/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A SOLID PROPELLANT GRAIN HAVING A CYLINDRICAL CONFIGURATION WITH AN AXIAL PERFORATION SAID GRAIN CONSISTING OF A PLURALITY OF SEGMENTS OF PROPELLANT CONSISTING OF DENSE, SPHERICAL NITROCELLULOSE, PENTAERYTHRITOL TRINITRATE, ALUMINUM, AMMONIUM PERCHLORATE AND RESORCINOL, SAID SEGMENTS BEING BONDED TOGETHER AT THEIR CONTIGUOUS SURFACES WITH A BONDING AGENT CONSISTING ESSENTIALLY OF SAID NITROCELLULOSE AND SAID PENTAERYTHRITOL TRINITRATE.
Claim 2
Dependent Claim
56 words
A SOLID PROPELLANT GRAIN HAVING A CYLINDRICAL CONFIGURATION WITH AN AXIAL PERFORATION SAID GRAIN CONSISTING OF A PLURALITY OF SEGMENTS OF PROPELLANT CONSISTING OF DENSE, SPHERICAL NITROCELLULOSE, PENTAERYTHRITOL TRINITRATE, ALUMINUM, AMMONIUM PERCHLORATE AND RESORCINOL, SAID SEGMENTS BEING BONDED TOGETHER AT THEIR CONTIGUOUS SURFACES WITH A BONDING AGENT CONSISTING ESSENTIALLY OF SAID NITROCELLULOSE AND SAID PENTAERYTHRITOL TRINITRATE.
References Cited (Backward Citations)
US3010354A
Cited
US2985055A
Cited
US3032970A
Cited
US3031969A
Cited
US3010400A
Cited
US3054353A
Cited
US3008417A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |