Patent US2510339A successfully refreshed from Google Patents.
US2857258A
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Jet propellant
Assignee: Monsanto Chemicals Ltd
•
Filing: 1945-08-22
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Granted: 1958-10-21
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Expires: 1965-08-22
Abstract
No abstract record available.
Inventors
- 👤 Charles A Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:47
CPC Classifications
C; C06; C06B; C06B31/00; C06B31/02; C06B31/12; C06B31/14; C06B31/18; C06B45/00; C06B45/04; C06B45/06; C06B45/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A COMPOSITE JET PROPULSION PROPELLANT ESSENTIALLY COMPOSED OF A DENSE, COMPACT MIXTURE OF CRYSTALLINE PARTICLES OF AMMONIUM PICRATE AND PARTICLES OF A CRYSTALLINE INORGANIC NITRATE SELECTED FROM THE CLASS CONSISTING OF SODIUM PITRATE, POTASSIUM NITRATE, BARIUM NITRATE AND AMMONIUM NITRATE, SAID MIXTURE CONTAINING BETWEEN 10% AND 55% OF SAID NITRATE, THE BALANCE OF SAID MIXTURE BEING PARTICLES OF AMMONIUM PICRATE AND FROM 5% TO 10% OF A RESINOUS MATRIX FOR SAID PARTICLES, SAID MATRIX CONSISTING OF A MATERIAL SELECTED FROM THE CLASS CONSISTING OF RESINOUS CHLORINATED POLYPHENYLS CONTAINING AT LEAST 40% OF CHLORINE AND MIXTURES OF CHLORINATED POLYPHENYLS CONTAINING AT LEAST 40% CHLORINE WITH A UREA-FORMALDEHYDE RESIN.
Claim 2
Dependent Claim
107 words
A COMPOSITE JET PROPULSION PROPELLANT ESSENTIALLY COMPOSED OF A DENSE, COMPACT MIXTURE OF CRYSTALLINE PARTICLES OF AMMONIUM PICRATE AND PARTICLES OF A CRYSTALLINE INORGANIC NITRATE SELECTED FROM THE CLASS CONSISTING OF SODIUM PITRATE, POTASSIUM NITRATE, BARIUM NITRATE AND AMMONIUM NITRATE, SAID MIXTURE CONTAINING BETWEEN 10% AND 55% OF SAID NITRATE, THE BALANCE OF SAID MIXTURE BEING PARTICLES OF AMMONIUM PICRATE AND FROM 5% TO 10% OF A RESINOUS MATRIX FOR SAID PARTICLES, SAID MATRIX CONSISTING OF A MATERIAL SELECTED FROM THE CLASS CONSISTING OF RESINOUS CHLORINATED POLYPHENYLS CONTAINING AT LEAST 40% OF CHLORINE AND MIXTURES OF CHLORINATED POLYPHENYLS CONTAINING AT LEAST 40% CHLORINE WITH A UREA-FORMALDEHYDE RESIN.
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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) | 1961-10-20 | 1962-04-21 | 1962-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-20 | 1966-04-21 | 1966-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-20 | 1970-04-21 | 1970-10-21 | $7700.00 | Window Closed / Lapsed |