US3053674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portland cement concrete adjuvant
Assignee: Sonneborn Chemical and Refining Corp
•
Filing: 1960-06-09
•
Granted: 1962-09-11
•
Expires: 1980-06-09
Abstract
No abstract record available.
Inventors
- 👤 Liberthson Leo
- 👤 Milton H Zara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:56
CPC Classifications
C; C04; C04B; C04B22/00; C04B22/0013; C04B28/00; C04B28/02; C04B28/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
THE REACTION PRODUCT OBTAINED BY HEATING 0.1-1.0 PART BY WEIGHT OF ZINC BORATE PER PART BY WEIGHT OF GLUCONIC ACID IN AN AQUEOUS SOLUTION.
Claim 2
Dependent Claim
24 words
THE REACTION PRODUCT OBTAINED BY HEATING 0.1-1.0 PART BY WEIGHT OF ZINC BORATE PER PART BY WEIGHT OF GLUCONIC ACID IN AN AQUEOUS SOLUTION.
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) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |