US3183133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid propellant compositions containing iron catalyst
Assignee: Aerojet Rocketdyne Inc
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Filing: 1960-10-21
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Granted: 1965-05-11
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Expires: 1980-10-21
Abstract
No abstract record available.
Inventors
- 👤 Albert E Lemke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:23
CPC Classifications
C; C06; C06B; C06B33/00; C06B33/06; C06B23/00; C06B23/007; C06B27/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
IN A PYROTECHNIC COMPOSITION CONSISTING ESSENTIALLY OF AN INTIMATE MIXTURE OF READILY OXIDIZABLE METAL SELECTED FROM THE GROUP CONSISTING OF BERYLLIUM, ALUMINUM, AND MAGNESIUM AND AN INORGANIC OXIDIZING MATERIAL SELECTED FROM THE GROUP CONSISTING OF THE ALKALI AND ALKALINE EARTH METAL CHLORATES, PERCHLORATES, CHROMATES, DICHROMATES, AND MIXTURES THEREOF; THE IMPROVEMENT WHICH COMPRISES THE INTIMATE DISPERSION OF FINELY DIVIDED IRON THEREIN AS A BURNING RATE ACCELERATION ADDITIVE, SAID FINELY DIVIDED
Claim 2
Dependent Claim
69 words
IN A PYROTECHNIC COMPOSITION CONSISTING ESSENTIALLY OF AN INTIMATE MIXTURE OF READILY OXIDIZABLE METAL SELECTED FROM THE GROUP CONSISTING OF BERYLLIUM, ALUMINUM, AND MAGNESIUM AND AN INORGANIC OXIDIZING MATERIAL SELECTED FROM THE GROUP CONSISTING OF THE ALKALI AND ALKALINE EARTH METAL CHLORATES, PERCHLORATES, CHROMATES, DICHROMATES, AND MIXTURES THEREOF; THE IMPROVEMENT WHICH COMPRISES THE INTIMATE DISPERSION OF FINELY DIVIDED IRON THEREIN AS A BURNING RATE ACCELERATION ADDITIVE, SAID FINELY DIVIDED
References Cited (Backward Citations)
GB189311073A
Cited
US763665A
Cited
GB127031A
Cited
US1244940A
Cited
US2450892A
Cited
US3019687A
Cited
US2967097A
Cited
US3034874A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |