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US3097083A Expired / Lapsed US ⏱️ 0.0 years remaining

Polishing composition and process of forming same

Assignee: American Potash and Chemical Corp
•
Filing: 1959-07-02
•
Granted: 1963-07-09
•
Expires: 1979-07-02
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Abstract

No abstract record available.

Inventors

  • 👤 Walter L Silvernail

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 23:01
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/14; C09K3/1454; C09K3/1481; C09K3/1463

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 32 words
A POLISHING COMPOSITION, CONSISTING OF AT LEAST ONE POLISHING MATERIAL SELECTED FROM THE GROUP CONSISTING OF RED ROUGE, ZIRCONIUM OXIDE, CERIUM OXIDE AND RARE EARTH OXIDE COMBINED WITH A GELATINOUS CERIC HYDROXIDE.
Claim 2
Dependent Claim 32 words
A POLISHING COMPOSITION, CONSISTING OF AT LEAST ONE POLISHING MATERIAL SELECTED FROM THE GROUP CONSISTING OF RED ROUGE, ZIRCONIUM OXIDE, CERIUM OXIDE AND RARE EARTH OXIDE COMBINED WITH A GELATINOUS CERIC HYDROXIDE.

References Cited (Backward Citations)

US2383500A Cited
US2554070A Cited
US2744001A Cited
US2816824A Cited
US2865725A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-07-08 1967-01-07 1967-07-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-07-08 1971-01-07 1971-07-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-07-08 1975-01-07 1975-07-09 $7700.00 Window Closed / Lapsed

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