US2527618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass making materials resistant to caking
Assignee: Individual
•
Filing: 1945-09-29
•
Granted: 1950-10-31
•
Expires: 1965-09-29
Abstract
No abstract record available.
Inventors
- 👤 Michael J Bozich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:12
CPC Classifications
C; C01; C01B; C01B35/00; C01B35/06; B; B01; B01J; B01J2/00; B01J2/30; C01B35/08; C01B35/10; C01D; C01D9/00; C01D9/20; C03; C03C; C03C1/00; C03C1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
THAT METHOD OF PREVENTING CAKING DURING STORAGE OF A GLASS MAKING MATERIAL OF THE GROUP CONSISTING OF BORAX, BORIC ACID AND SODIUM NITRATE WHICH CONSISTS ESSENTIALLY IN MIXING SAID MATERIAL INTIMATELY WITH APPROXIMATELY 0.25 TO 1.5 PER CENT BY WEIGHT OF PUMICE SUBDIVIDED TO PASS A 325-MESH SCREEN, SAID PUMIC MAINTAINING SAID MATERIAL FREE-FLOWING DURING STORAGE.
Claim 2
Dependent Claim
56 words
THAT METHOD OF PREVENTING CAKING DURING STORAGE OF A GLASS MAKING MATERIAL OF THE GROUP CONSISTING OF BORAX, BORIC ACID AND SODIUM NITRATE WHICH CONSISTS ESSENTIALLY IN MIXING SAID MATERIAL INTIMATELY WITH APPROXIMATELY 0.25 TO 1.5 PER CENT BY WEIGHT OF PUMICE SUBDIVIDED TO PASS A 325-MESH SCREEN, SAID PUMIC MAINTAINING SAID MATERIAL FREE-FLOWING DURING STORAGE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-30 | 1954-05-01 | 1954-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-30 | 1958-05-01 | 1958-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-30 | 1962-05-01 | 1962-10-31 | $7700.00 | Window Closed / Lapsed |