Patent US3753811A successfully refreshed from Google Patents.
US3753811A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Igniter composition
Assignee: Individual
•
Filing: 1957-06-13
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Granted: 1973-08-21
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Expires: 1977-06-13
Abstract
Abstract 1. A composition consisting essentially of about 30 to about 85 weight percent of a material selected from the class consisting of polytetrafluoroethylene and polytrifluorochloroethylene; about 15 to about 70 weight percent of a material selected from the class consisting of magnesium, aluminum, boron, titanium, ziroconium, thorium, mixtures thereof and lithium nitride; about 1 to about 10 weight percent of a material selected from the class consisting of potassium dichromate, manganese dioxide, ammonium nitrate and ammonium perchlorate; and from about 1 to about 10 weight percent of a material selected from the class consisting of lead fluoride and sodium fluoride.
Inventors
- 👤 E Julian
- 👤 F Crescenzo
- 👤 R Meyers
- 👤 B Meyers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:02
CPC Classifications
C; C06; C06C; C06C9/00; C06B; C06B33/00; C06B33/02; F; F02; F02K; F02K9/00; F02K9/95
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
100 words
A COMPOSITION CONSISTING ESSENTIALLY OF ABOUT 30 TO ABOUT 85 WEIGHT PERCENT OF A MATERIAL SELECTED FROM THE CLASS CONSISTING OF POLYTETRAFLUROETHYLENE AND POLYTRIFLUOROCHLORETHYLENE, ABOUT 15 TO ABOUT 70 WEIGHT PERCENT OF A MATERIAL SELECTED FROM THE CLASS CONSISTING OF MAGNESOIUM, ALUMINUM, BORON, TITANIUM ZIROCONIUM, THORIUM, MIXTURES THEREOF AND LITHIUM NITRIDE, ABOUT 1 TO ABOUT 10 WEIGHT PERCENT OF A MATERIAL SELECTED FROM THE CLASS CONSISTING OF POTASSIUM DICHROMATE, MAGANESE DIOXIDE, AMMONIUM NITRATE AND AMMONIUM PERCHLORAGE, AND FROM ABOUT 1 TO ABOUT 10 WEIGHT PERCENT OF A MATERIAL SELECTED FROM THE CLASS CONSISTING OF THE LEAD FLUORIDE AND SODIUM FLUORIDE.
Claim 2
Dependent Claim
100 words
A COMPOSITION CONSISTING ESSENTIALLY OF ABOUT 30 TO ABOUT 85 WEIGHT PERCENT OF A MATERIAL SELECTED FROM THE CLASS CONSISTING OF POLYTETRAFLUROETHYLENE AND POLYTRIFLUOROCHLORETHYLENE, ABOUT 15 TO ABOUT 70 WEIGHT PERCENT OF A MATERIAL SELECTED FROM THE CLASS CONSISTING OF MAGNESOIUM, ALUMINUM, BORON, TITANIUM ZIROCONIUM, THORIUM, MIXTURES THEREOF AND LITHIUM NITRIDE, ABOUT 1 TO ABOUT 10 WEIGHT PERCENT OF A MATERIAL SELECTED FROM THE CLASS CONSISTING OF POTASSIUM DICHROMATE, MAGANESE DIOXIDE, AMMONIUM NITRATE AND AMMONIUM PERCHLORAGE, AND FROM ABOUT 1 TO ABOUT 10 WEIGHT PERCENT OF A MATERIAL SELECTED FROM THE CLASS CONSISTING OF THE LEAD FLUORIDE AND SODIUM FLUORIDE.
Claim 3
Dependent Claim
36 words
The composition according to claim 1 wherein the material selected from the class consisting of magnesium, aluminum, boron, titanium, zirconium, thorium, mixtures thereof and lithium nitride has a particle size which does not exceed 20 mesh.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-20 | 1977-02-19 | 1977-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-20 | 1981-02-19 | 1981-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-20 | 1985-02-19 | 1985-08-21 | $7700.00 | Window Closed / Lapsed |