Patent US2597871A successfully refreshed from Google Patents.
US2597871A
Expired / Lapsed
US
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Wax emulsion polishing composition containing silica
Assignee: EIDP Inc
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Filing: 1947-09-20
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Granted: 1952-05-27
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Expires: 1967-09-20
Abstract
No abstract record available.
Inventors
- 👤 Ralph K Her
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:46
CPC Classifications
C; C09; C09G; C09G1/00; C09G1/06; C09G1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A WAX EMULSION POLISHING COMPOSITION COMPRISING AN AQUEOUS WAX EMULSION AND SILICA, THE SILICA BEING IN THE FORM OF DISPERSED PARTICLES HAVING A PARTICLE SIZE OF 1 TO 100 MILLIMICRONS AND IN AN AMOUNT SUFFICIENT TO IMPART SKID RESISTANCE TO A DRIED FILM OF THE COMPOSITION.
Claim 2
Dependent Claim
46 words
A WAX EMULSION POLISHING COMPOSITION COMPRISING AN AQUEOUS WAX EMULSION AND SILICA, THE SILICA BEING IN THE FORM OF DISPERSED PARTICLES HAVING A PARTICLE SIZE OF 1 TO 100 MILLIMICRONS AND IN AN AMOUNT SUFFICIENT TO IMPART SKID RESISTANCE TO A DRIED FILM OF THE COMPOSITION.
References Cited (Backward Citations)
US1774665A
Cited
GB407028A
Cited
US2244325A
Cited
US2408654A
Cited
US2374474A
Cited
US2432484A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |