US2594280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cement bonded natural cellulose aggregate impregnated with cured synthetic resin and method of making the same
Assignee: Individual
•
Filing: 1949-03-11
•
Granted: 1952-04-29
•
Expires: 1969-03-11
Abstract
No abstract record available.
Inventors
- 👤 Julian F Beaudet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:52
CPC Classifications
C; C04; C04B; C04B18/00; C04B18/04; C04B18/18; C04B18/24; C04B20/00; C04B20/10; C04B20/1018; C04B20/1029; C04B2103/00; C04B2103/0045; C04B2103/0053; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/91
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
50 words
A COMPOSITION OF MATTER COMPRISING AN AGGREGATE COMPOSED OF SMALL PIECES OF NATURAL CELLULOSE MATERIAL IMPREGNATED WITH A SYNTHETIC RESIN WHICH IS SET WITHIN THE CELLS OF THE PIECES OF AGGREGATE, AND A BINDER OF CEMENTITIOUS MATERIAL SELECTED FROM THE GROUP CONSISTING OF A HYDRAULIC CEMENT AND PLASTER OF PARTS.
References Cited (Backward Citations)
US2192129A
Cited
US1996757A
Cited
US2240529A
Cited
US2255998A
Cited
GB562268A
Cited
US2411554A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |