Patent US2524613A successfully refreshed from Google Patents.
US2524613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing rounded glass particles
Assignee: Cataphote Inc
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Filing: 1949-07-09
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Granted: 1950-10-03
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Expires: 1969-07-09
Abstract
No abstract record available.
Inventors
- 👤 Wainer Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:37
CPC Classifications
C; C03; C03B; C03B19/00; C03B19/10; C03B19/1005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A METHOD OF MAKING GLASS BEADS, WHICH COMPRISES ISOLATING SMALL PARTICLES OF GLASS WITH A MATERIAL CONTAINING BORON NITRIDE, HEATING THE ISOLATED GLASS PARTICLES UNTIL THEY ARE DRAWN BY INTO BEADS, COOLING THE GLASS BEADS, AND SEPARATING THE GLASS BEADS FROM THE MATERIAL CONTAINING BORON NITRIDE.
Claim 2
Independent Claim
46 words
A METHOD OF MAKING GLASS BEADS, WHICH COMPRISES ISOLATING SMALL PARTICLES OF GLASS WITH A MATERIAL CONTAINING BORON NITRIDE, HEATING THE ISOLATED GLASS PARTICLES UNTIL THEY ARE DRAWN BY INTO BEADS, COOLING THE GLASS BEADS, AND SEPARATING THE GLASS BEADS FROM THE MATERIAL CONTAINING BORON NITRIDE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-02 | 1954-04-03 | 1954-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-02 | 1958-04-03 | 1958-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-02 | 1962-04-03 | 1962-10-03 | $7700.00 | Window Closed / Lapsed |