US3097954A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphatic waste materials for production of ceramic wares
Assignee: Individual
•
Filing: 1960-10-26
•
Granted: 1963-07-16
•
Expires: 1980-10-26
Abstract
No abstract record available.
Inventors
- 👤 Whitaker Lorenzo Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:50
CPC Classifications
C; C04; C04B; C04B33/00; C04B33/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A MIX FOR KILN PRODUCTION OF CERAMIC PRODUCTS WHICH CONSISTS ESSENTIALLY OF FROM 25% TO 75% BY WEIGHT OF PHOSPHATE SLIME AND THE BALANCE 25% TO 75% BY WEIGHT OF PHOSPHATE OVERBURDEN, SAID MIX HAVING A CHEMICAL ANALYSIS WHICH APPROXIMATES: PHOSPHATE 26% ALUMINA 24%, IRON OXIDE 4%, LIME 8%, SILICIA 15%, AND THE BALANCE COMBINED WATER.
Claim 2
Dependent Claim
56 words
A MIX FOR KILN PRODUCTION OF CERAMIC PRODUCTS WHICH CONSISTS ESSENTIALLY OF FROM 25% TO 75% BY WEIGHT OF PHOSPHATE SLIME AND THE BALANCE 25% TO 75% BY WEIGHT OF PHOSPHATE OVERBURDEN, SAID MIX HAVING A CHEMICAL ANALYSIS WHICH APPROXIMATES: PHOSPHATE 26% ALUMINA 24%, IRON OXIDE 4%, LIME 8%, SILICIA 15%, AND THE BALANCE COMBINED WATER.
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) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |