Patent US2534128A successfully refreshed from Google Patents.
US2534128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry granular mix
Assignee: Saint Gobain Abrasives Inc
•
Filing: 1949-07-30
•
Granted: 1950-12-12
•
Expires: 1969-07-30
Abstract
No abstract record available.
Inventors
- 👤 Wallace L Howe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:34
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/622; C04B35/62204; B; B01; B01J; B01J2/00; B01J2/006; C04B35/626; C04B35/628; C04B35/63; C04B35/632; C04B35/634; C04B35/63448; C04B35/63488; C04B35/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A DRY GRANULA MIX COMPRISING PARTICLES OF HARD REFRACTORY MATERIAL EACH COATED WITH A CONSIDERABLE NUMBER OF THE FINE PARTICLES OF VITRIFLABLE CERAMIC BOND MIXED WITH WAX, THE BOND AND WAX FORMING AN ENVELOPE WHICH SURROUNDS A PARTICLE EACH PARTICLE OF REFRACTORY MATERIAL HAVING SUCH ENVELOPE, AND A COATING OF THE FINE MEAL DERIVED FROM VEGETABLE SEED, SAID FINE MEAL CONTAINING AT LEAST 10% AND NOT MORE THAN 50% OF FATTY ESTER, ON EACH SUCH ENVELOPE.
Claim 2
Dependent Claim
76 words
A DRY GRANULA MIX COMPRISING PARTICLES OF HARD REFRACTORY MATERIAL EACH COATED WITH A CONSIDERABLE NUMBER OF THE FINE PARTICLES OF VITRIFLABLE CERAMIC BOND MIXED WITH WAX, THE BOND AND WAX FORMING AN ENVELOPE WHICH SURROUNDS A PARTICLE EACH PARTICLE OF REFRACTORY MATERIAL HAVING SUCH ENVELOPE, AND A COATING OF THE FINE MEAL DERIVED FROM VEGETABLE SEED, SAID FINE MEAL CONTAINING AT LEAST 10% AND NOT MORE THAN 50% OF FATTY ESTER, ON EACH SUCH ENVELOPE.
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) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |