Patent US2749317A successfully refreshed from Google Patents.
US2749317A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxidizing agent
Assignee: California Research LLC
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Filing: 1952-12-10
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Granted: 1956-06-05
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Expires: 1972-12-10
Abstract
No abstract record available.
Inventors
- 👤 Manuel A Pino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:20
CPC Classifications
C; C06; C06B; C06B47/00; C06B47/02; C06B47/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
AN OXIDIZING AGENT CONSISTING ESSENTIALLY OF A BLEND OF (A) A MAJOR PROPORTION OF NITRIC ACID CONTAINING AT LEAST 95* BY WEIGHT OF HNO3 AND (B) A MINOR PROPORTION NOT EXCEEDING ABOUT 30% BY VOLUME OF AN ALKANE SULFONIC ACID CONTAINING 1 TO 5 CARBON ATOMS.
Claim 2
Dependent Claim
46 words
AN OXIDIZING AGENT CONSISTING ESSENTIALLY OF A BLEND OF (A) A MAJOR PROPORTION OF NITRIC ACID CONTAINING AT LEAST 95* BY WEIGHT OF HNO3 AND (B) A MINOR PROPORTION NOT EXCEEDING ABOUT 30% BY VOLUME OF AN ALKANE SULFONIC ACID CONTAINING 1 TO 5 CARBON ATOMS.
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) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |