US3099963A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Outward burning neutral granulation for cast propellants
Assignee: Individual
•
Filing: 1950-12-11
•
Granted: 1963-08-06
•
Expires: 1970-12-11
Abstract
No abstract record available.
Inventors
- 👤 Dobrin Saxe
- 👤 John F Kincaid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:48
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/08; F02K9/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
AN OUTWARD BURNING NEUTRAL GRANULATION FOR CAST PROPELLANTS CONSISTING OF A SOLID CYLINDRICAL GRAIN HAVING TOP AND BOTTOM SURFACES, A SIDE WALL AND A LENGTH GREATER THAN THE RADIUS OF SAID GRAIN, SAID GRAIN ALSO HAVING A LONGITUDINAL AXIS OF SYMMETRY AND AN AXIAL PERFORATION COEXTENSIVE WITH SAID DEPTH, A RESTRICTIVE COATING COVERING SAID SIDE WALL AND SAID BOTTOM SURFACE, THERE BEING A PLURALITY OF ANGULARLY RELATED SLOTS COEXTENDING RADIALLY OUTWARDLY BETWEEN SAID PERFORATION AND THE OUTER CURVED SURFACE OF SAID GRAIN, SAID SLOTS HAVING AN AXIAL DIMENSION SMALLER THAN SAID LENGTH AND EQUAL APPROXIMATELY TO SAID RADIUS, SAID SLOTS OPENING THROUGH SAID TOP SURFACE.
Claim 2
Dependent Claim
105 words
AN OUTWARD BURNING NEUTRAL GRANULATION FOR CAST PROPELLANTS CONSISTING OF A SOLID CYLINDRICAL GRAIN HAVING TOP AND BOTTOM SURFACES, A SIDE WALL AND A LENGTH GREATER THAN THE RADIUS OF SAID GRAIN, SAID GRAIN ALSO HAVING A LONGITUDINAL AXIS OF SYMMETRY AND AN AXIAL PERFORATION COEXTENSIVE WITH SAID DEPTH, A RESTRICTIVE COATING COVERING SAID SIDE WALL AND SAID BOTTOM SURFACE, THERE BEING A PLURALITY OF ANGULARLY RELATED SLOTS COEXTENDING RADIALLY OUTWARDLY BETWEEN SAID PERFORATION AND THE OUTER CURVED SURFACE OF SAID GRAIN, SAID SLOTS HAVING AN AXIAL DIMENSION SMALLER THAN SAID LENGTH AND EQUAL APPROXIMATELY TO SAID RADIUS, SAID SLOTS OPENING THROUGH SAID TOP SURFACE.
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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) | 1966-08-05 | 1967-02-04 | 1967-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-05 | 1971-02-04 | 1971-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-05 | 1975-02-04 | 1975-08-06 | $7700.00 | Window Closed / Lapsed |