Patent US2763619A successfully refreshed from Google Patents.
US2763619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxidizing agent
Assignee: California Research LLC
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Filing: 1952-06-20
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Granted: 1956-09-18
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Expires: 1972-06-20
Abstract
No abstract record available.
Inventors
- 👤 Manuel A Pino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:18
CPC Classifications
C; C06; C06B; C06B47/00; C06B47/02; C06B47/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A STABLE OXIDIZING AGENT HAVING A LOW FREEZING POINT CONSISTING ESSENTIALLY OF NITRIC ACID, SODIUM NITRITE AND WATER, THE AMOUNTS OF SODIUM NITRITE AND WATER BEING EACH AT LEAST 1 PART BY WEIGHT AND NOT MORE THAN 5 PARTS BY WEIGHT TO 100 PARTS BY WEIGHT OF NITRIC ACID.
Claim 2
Dependent Claim
49 words
A STABLE OXIDIZING AGENT HAVING A LOW FREEZING POINT CONSISTING ESSENTIALLY OF NITRIC ACID, SODIUM NITRITE AND WATER, THE AMOUNTS OF SODIUM NITRITE AND WATER BEING EACH AT LEAST 1 PART BY WEIGHT AND NOT MORE THAN 5 PARTS BY WEIGHT TO 100 PARTS BY WEIGHT OF NITRIC ACID.
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) | 1959-09-18 | 1960-03-19 | 1960-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-18 | 1964-03-19 | 1964-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-18 | 1968-03-19 | 1968-09-18 | $7700.00 | Window Closed / Lapsed |