Patent US3031969A successfully refreshed from Google Patents.
US3031969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive for composite-type propellants
Assignee: Phillips Petroleum Co
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Filing: 1957-10-08
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Granted: 1962-05-01
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Expires: 1977-10-08
Abstract
No abstract record available.
Inventors
- 👤 Clarence A Collard
- 👤 Shazo James D De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:45
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/08; F02K9/10; F02K9/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
43 words
A CYLINDRICAL CHARGE OF SOLID PROPELLANT HAVING AN AXIAL PERFORTION, SAID CHARGE BEING BUILT UP FROM A PLURALITY OF CONCENTRIC STRATA OF PROPELLANT, EACH OF SAID STRATA COMPRISING IN TURN A PLURALITY OF BLOCKS OF PROPELLANT OF THE COMPOSITE TYPE COMPRISING AMMONIUM NITRATE
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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) | 1965-04-30 | 1965-10-30 | 1966-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-30 | 1969-10-30 | 1970-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-30 | 1973-10-30 | 1974-05-01 | $7700.00 | Window Closed / Lapsed |