US2910372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Irradiated concrete compositions
Assignee: Union Carbide Corp
•
Filing: 1955-08-05
•
Granted: 1959-10-27
•
Expires: 1975-08-05
Abstract
No abstract record available.
Inventors
- 👤 Simon L Ruskin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:35
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/02; C04B40/00; C04B40/02; C04B40/0204; C04B40/0213; C04B40/0222; C04B7/00; C04B7/36; C04B7/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A PROCESS FOR TREATING A PORTLAND-TYPE CEMENT CAPABLE OF PRODUCING A CONCRETE OF IMPROVE HARDNESS WHICH COMPRISES GAMMA IRRADIATING A SUBSTANTIAL QUANTITY OF SAID PORTLAND-TYPE CEMENT BEFORE SETTING WITH FROM ABOUT ONE MILLION TO ABOUT FOUR HUNDRED MILLION ROETGENS.
Claim 2
Dependent Claim
39 words
A PROCESS FOR TREATING A PORTLAND-TYPE CEMENT CAPABLE OF PRODUCING A CONCRETE OF IMPROVE HARDNESS WHICH COMPRISES GAMMA IRRADIATING A SUBSTANTIAL QUANTITY OF SAID PORTLAND-TYPE CEMENT BEFORE SETTING WITH FROM ABOUT ONE MILLION TO ABOUT FOUR HUNDRED MILLION ROETGENS.
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) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |