Patent US3322360A successfully refreshed from Google Patents.
Patent US3158971A successfully refreshed from Google Patents.
US3158971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surfacing plate glass
Assignee: Libbey Owens Ford Glass Co
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Filing: 1963-01-02
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Granted: 1964-12-01
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Expires: 1983-01-02
Abstract
No abstract record available.
Inventors
- 👤 Edison F Best
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:23
CPC Classifications
B; B24; B24B; B24B7/00; B24B7/20; B24B7/22; B24B7/24; B24B7/241
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A POLISHING COMPOSITION FOR USE IN THE FINISHING OF ROUGH GROUND PLATE SURFACES WHICH COMPRISES, IN 100 PARTS BY WEIGHT OF WATER, FROM 1 TO 60 PARTS CERIUM OXIDE, AND FROM 0.15 TO 7.5 PARTS CEROUS NITRATE
Claim 2
Dependent Claim
37 words
A POLISHING COMPOSITION FOR USE IN THE FINISHING OF ROUGH GROUND PLATE SURFACES WHICH COMPRISES, IN 100 PARTS BY WEIGHT OF WATER, FROM 1 TO 60 PARTS CERIUM OXIDE, AND FROM 0.15 TO 7.5 PARTS CEROUS NITRATE
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) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |