US3309196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluxing agent
Assignee: Wyandotte Chemicals Corp
•
Filing: 1964-10-28
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Granted: 1967-03-14
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Expires: 1984-10-28
Abstract
No abstract record available.
Inventors
- 👤 Thomas M Kaneko
- 👤 Erwin C Handwerk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:22
CPC Classifications
C; C21; C21C; C21C7/00; C21C7/04; C21C7/076; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
PELLETS OF AGGLOMERATED PARTICULATE MATERIAL SUITABLE FOR METALLURGICAL FLUXING CONSISTING ESSENTIALLY OF BY WEIGHT ABOUT 20 TO 35 PERCENT LIME, ABOUT 20 TO 35 PERCENT ALUMINA, AND ABOUT 5 TO 20 PERCENT SODA, AND ABOUT 5 TO 25 PERCENT SILICA.
Claim 2
Dependent Claim
40 words
PELLETS OF AGGLOMERATED PARTICULATE MATERIAL SUITABLE FOR METALLURGICAL FLUXING CONSISTING ESSENTIALLY OF BY WEIGHT ABOUT 20 TO 35 PERCENT LIME, ABOUT 20 TO 35 PERCENT ALUMINA, AND ABOUT 5 TO 20 PERCENT SODA, AND ABOUT 5 TO 25 PERCENT SILICA.
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |