Patent US3089764A successfully refreshed from Google Patents.
US3089764A
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US
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Barrelling chips
Assignee: —
•
Filing: —
•
Granted: 1963-05-14
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Expires: 1980-05-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:27
CPC Classifications
C; C04; C04B; C04B33/00; C04B33/02; C04B33/13; C04B33/04; C04B2235/00; C04B2235/02; C04B2235/30; C04B2235/32; C04B2235/3201; C04B2235/3205; C04B2235/3206; C04B2235/3217; C04B2235/327; C04B2235/3272; C04B2235/34; C04B2235/3427; C04B2235/3463; C04B2235/3472; C04B2235/349; C04B2235/50; C04B2235/54; C04B2235/5418; C04B2235/5436; C04B2235/70; C04B2235/94
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
BARRELLING CHIPS FORMED BY FIRING A SUBSTANTIALLY HOMOGENEOUS COMPOSITION CONSISTING OF: ABOUT NINE PARTS BY WEIGHT OF A FIRE PARTICLE MIXTURE OF BALL CLAY AND CHINA CLAY, SAID MIXTURE CONTAINING 50-60 PARTS BY WEIGHT OF SIO2 TO 25-35 PARTS BY WEIGHT OF A12O3; AND ABOUT TWO PARTS BY WEIGHT OF A PARTICULATE ABRASIVE MATERIAL OF A MESH SIZE IN THE RANGE OF 120 TO 220.
Claim 2
Dependent Claim
65 words
BARRELLING CHIPS FORMED BY FIRING A SUBSTANTIALLY HOMOGENEOUS COMPOSITION CONSISTING OF: ABOUT NINE PARTS BY WEIGHT OF A FIRE PARTICLE MIXTURE OF BALL CLAY AND CHINA CLAY, SAID MIXTURE CONTAINING 50-60 PARTS BY WEIGHT OF SIO2 TO 25-35 PARTS BY WEIGHT OF A12O3; AND ABOUT TWO PARTS BY WEIGHT OF A PARTICULATE ABRASIVE MATERIAL OF A MESH SIZE IN THE RANGE OF 120 TO 220.
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) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |