US3193375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnesium-manganese alloy for use in a pyrotechnical composition
Assignee: Knapsack AG
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Filing: 1962-09-05
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Granted: 1965-07-06
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Expires: 1982-09-05
Abstract
No abstract record available.
Inventors
- 👤 Marx Annemarie Gertrude
- 👤 Kemme Gerda Liselotte
- 👤 Henstedt-Rhen
- 👤 Marx Ursula Maria
- 👤 Marx Hans Dieter
- 👤 Marx Dorothea Friederike
- 👤 Marx Stefan Gustav
- 👤 Angelberger Erich
- 👤 Chavee Rene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:50
CPC Classifications
C; C22; C22C; C22C24/00; B; B22; B22F; B22F9/00; B22F9/02; B22F9/04; C06; C06B; C06B33/00; C06C; C06C15/00; C21; C21C; C21C7/00; C21C7/005; C22B; C22B5/00; C22B5/02; C22B5/04; C22B5/06; C22C1/00; C22C1/04; C22C1/0408; C22C23/00; C22C25/00; B22F2009/041
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A METHOD OF PRODUCING A PYROTECHNIC EFFECT COMRPISING MIXTURE WITH A PYROTECHNICAL COMPOSITION A BINARY ALLOY IN THE FORM OF FINELY DIVIDED PARTICLES CONSISTING ESSENTIALLY OF MAGNESIUM AND 0.1 TO 3 PERCENT BY WEIGHT OF MANGANESE, SAID FINELY DIVIDED PARTICLES HAVING A GRAIN SIZE SMALLER THAN 900 MICRONS.
Claim 2
Independent Claim
48 words
A METHOD OF PRODUCING A PYROTECHNIC EFFECT COMRPISING MIXTURE WITH A PYROTECHNICAL COMPOSITION A BINARY ALLOY IN THE FORM OF FINELY DIVIDED PARTICLES CONSISTING ESSENTIALLY OF MAGNESIUM AND 0.1 TO 3 PERCENT BY WEIGHT OF MANGANESE, SAID FINELY DIVIDED PARTICLES HAVING A GRAIN SIZE SMALLER THAN 900 MICRONS.
References Cited (Backward Citations)
US1351865A
Cited
US2088204A
Cited
GB522463A
Cited
US2353612A
Cited
US2450892A
Cited
US2885277A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |