US2934416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass polish and process of polishing glass
Assignee: Titanium Zirconium Co Inc
•
Filing: 1958-10-17
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Granted: 1960-04-26
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Expires: 1978-10-17
Abstract
No abstract record available.
Inventors
- 👤 William M Harris
- 👤 Robert H Linnell
- 👤 William F Meredith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:50
CPC Classifications
C; C03; C03C; C03C19/00; C09; C09K; C09K3/00; C09K3/14; C09K3/1454; C01; C01P; C01P2002/00; C01P2002/70; C01P2004/00; C01P2004/60; C01P2004/61; C01P2006/00; C01P2006/60; C01P2006/90; C03C2204/00; C03C2204/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A GLASS POLISHING COMPOSITION CONSISTING ESSENTIALLY OF WATER AND, AS THE PRINCIPAL POLISHING AGENT, PARTICULATE ZIRCONIUM OXIDE ZRO2 CHARACTERIZED BY THE X-RAY DIFFRACTION PATTERN OF CUBIC ZIRCONIUM OXIDE.
Claim 2
Dependent Claim
28 words
A GLASS POLISHING COMPOSITION CONSISTING ESSENTIALLY OF WATER AND, AS THE PRINCIPAL POLISHING AGENT, PARTICULATE ZIRCONIUM OXIDE ZRO2 CHARACTERIZED BY THE X-RAY DIFFRACTION PATTERN OF CUBIC ZIRCONIUM OXIDE.
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) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |