US3204019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for forming cement and asbestos articles
Assignee: Individual
•
Filing: 1962-11-15
•
Granted: 1965-08-31
•
Expires: 1982-11-15
Abstract
No abstract record available.
Inventors
- 👤 Herbert C Schulze
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:54
CPC Classifications
B; B28; B28C; B28C5/00; B28C5/40; B28C5/08; B28C5/18; B28C5/1825
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A PROCESS FOR FORMING AN ARTICLE FROM INITIALLY DRY PARTICULATE CEMENT MATERIAL AND ASBESTOS FIBER MATERIALS, THAT INCLUDES: TUMBLING SAID INTIALLY DRY MATERIALS TOGETHER IN A MIXING ZONE WHILE SPRAYING WATER INTO SAID MIXING ZONE, WITH SAID MATERIALS DROPPING FREELY THROUGH THE AIR WHEREBY EACH INDIVIDUAL PARTICLE OF SAID MATERIALS IS GIVEN A COATING OF WATER TO THEREBY PRODUCE A NONCOHESIVE, PARTICULATE MASS; COMPRESSING SAID MASS SO AS TO INCREASE THE DENSITY THEREOF AND CONFIGURE SAID MASS TO THE SHAPE OF SAID ARTICLE; AND CURING SAID CONFIGURED MASS
Claim 2
Dependent Claim
88 words
A PROCESS FOR FORMING AN ARTICLE FROM INITIALLY DRY PARTICULATE CEMENT MATERIAL AND ASBESTOS FIBER MATERIALS, THAT INCLUDES: TUMBLING SAID INTIALLY DRY MATERIALS TOGETHER IN A MIXING ZONE WHILE SPRAYING WATER INTO SAID MIXING ZONE, WITH SAID MATERIALS DROPPING FREELY THROUGH THE AIR WHEREBY EACH INDIVIDUAL PARTICLE OF SAID MATERIALS IS GIVEN A COATING OF WATER TO THEREBY PRODUCE A NONCOHESIVE, PARTICULATE MASS; COMPRESSING SAID MASS SO AS TO INCREASE THE DENSITY THEREOF AND CONFIGURE SAID MASS TO THE SHAPE OF SAID ARTICLE; AND CURING SAID CONFIGURED MASS
References Cited (Backward Citations)
US2008074A
Cited
US2285497A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |