US3033717A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas-producing charge
Assignee: Hercules Powder Co
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Filing: 1955-04-14
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Granted: 1962-05-08
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Expires: 1975-04-14
Abstract
No abstract record available.
Inventors
- 👤 Ralph F Preckel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:47
CPC Classifications
C; C06; C06B; C06B23/00; C06B23/007; Y; Y10; Y10S; Y10S102/00; Y10S102/704
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A GAS-PRODUCING COMPOSITION CONSISTING ESSENTIALLY OF A SMOKELESS POWDER HAVING UNIFORMLY INCORPORATED THEREIN AND INTIMATELY ADMIXED THEREWITH WITHIN EACH PARTICLE THEREOF AN AMOUNT NOT EXCEDDING 10% OF AT LEAST ONE MATERIAL SELECTED FROM THE GROUP CONSISTING OF LEAD, THE INORGANIC COMPOUNDS OF LEAD AND THE ALIPHATIC COMPOUNDS OF LEAD, AND AN AMOUNT OF FINELY-DIVIDED CARBON NOT SUBSTANTIALLY EXCEEDING THE AMOUNT OF THE SAID MATERIAL, SAID GAS-PRODUCING COMPOSITION HAVING A HEAT OF EXPLOSION NOT EXCEEDING 900 CALORIES PER GRAM AND HAVING A VALUE OF LESS THAN 0.7 FOR THE SLOPE N OF THE REPRESENTING THE PRESSURE-BURNING RATE RELATIONSHIP.
Claim 2
Dependent Claim
97 words
A GAS-PRODUCING COMPOSITION CONSISTING ESSENTIALLY OF A SMOKELESS POWDER HAVING UNIFORMLY INCORPORATED THEREIN AND INTIMATELY ADMIXED THEREWITH WITHIN EACH PARTICLE THEREOF AN AMOUNT NOT EXCEDDING 10% OF AT LEAST ONE MATERIAL SELECTED FROM THE GROUP CONSISTING OF LEAD, THE INORGANIC COMPOUNDS OF LEAD AND THE ALIPHATIC COMPOUNDS OF LEAD, AND AN AMOUNT OF FINELY-DIVIDED CARBON NOT SUBSTANTIALLY EXCEEDING THE AMOUNT OF THE SAID MATERIAL, SAID GAS-PRODUCING COMPOSITION HAVING A HEAT OF EXPLOSION NOT EXCEEDING 900 CALORIES PER GRAM AND HAVING A VALUE OF LESS THAN 0.7 FOR THE SLOPE N OF THE REPRESENTING THE PRESSURE-BURNING RATE RELATIONSHIP.
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) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |