US2607700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concrete
Assignee: EDWARD P VAIL
•
Filing: 1948-12-10
•
Granted: 1952-08-19
•
Expires: 1968-12-10
Abstract
No abstract record available.
Inventors
- 👤 Karl V Vail
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:16
CPC Classifications
C; C04; C04B; C04B14/00; C04B14/02; C04B14/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
A CONCRETE MIX COMPRISING A COARSE AGGREGATE, A FINE AGGREGATE INCLUDING ANORTHOSITE FROM WHICH SUBSTANTIALLY ALL ALKALIES HAVE BEEN LEACHED, AND A HYDRAULIC CEMENT.
Claim 2
Dependent Claim
24 words
A CONCRETE MIX COMPRISING A COARSE AGGREGATE, A FINE AGGREGATE INCLUDING ANORTHOSITE FROM WHICH SUBSTANTIALLY ALL ALKALIES HAVE BEEN LEACHED, AND A HYDRAULIC CEMENT.
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) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |