US2823112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flux compound
Assignee: Individual
•
Filing: 1955-04-08
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Granted: 1958-02-11
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Expires: 1975-04-08
Abstract
No abstract record available.
Inventors
- 👤 Miller Jay Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:32
CPC Classifications
C; C22; C22B; C22B9/00; C22B9/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
89 words
A METALLURGICAL FLUX COMPOSED OF POTASSIUM PERMANGANATE AND ASBESTOS, THE RATIO OF POTASSIUM PERMANGANATE TO ASBESTOS BEING ABOUT 5:3 BY WEIGHT, AND A MINOR AMOUNT NOT EXCEEDING ABOUT 1% BY WEIGHT OF THE THE REACTION PRODUCT OF ONE PART BY WEIGHT CAMPHOR, THE REACTION PRODUCT OF ONE PART BY WEIGHT CAMPHOR, EIGHT PARTS POTASSIUM BITARTRATE, TWO PARTS WILLOW CHARCOAL AND TWO PARTS ZINC CHLORIDE, SAID REACTION BEING CARRIED OUT AT HIGH TEMPERATURE AND A PRESSURE WITHIN THE RANGE OF FROM ABOUT 1,500 TO ABOUT 2,000 POUNDS PER SQUARE INCH.
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) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |