US2822321A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New carbon product and method for manufacturing the same
Assignee: Individual
•
Filing: 1955-01-31
•
Granted: 1958-02-04
•
Expires: 1975-01-31
Abstract
No abstract record available.
Inventors
- 👤 Pickard Joseph Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:34
CPC Classifications
D; D01; D01F; D01F9/00; D01F9/08; D01F9/12; D01F9/14; D01F9/16; D01F9/17; C; C01; C01B; C01B32/00; C01B32/30; C01B32/354; C01B32/382; D01F9/145; D01F9/15; Y; Y10; Y10S; Y10S264/00; Y10S264/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A METHOD OF MANUFACTURING A CARBON PRODUCT FOR USE IN THE SEPARATION OF FLUIDS, WHICH COMPRISES MILLING PEAT OR PEAT MOSS HAVING A MOISTURE CONTENT ADJUSTED TO EFFECT SHREDDING AND TO PREVENT POWDERING THEREOF, SAID CARBONIZING THE MILLED MATERIAL AT A TEMPERATURE RANGE
Claim 2
Independent Claim
43 words
A METHOD OF MANUFACTURING A CARBON PRODUCT FOR USE IN THE SEPARATION OF FLUIDS, WHICH COMPRISES MILLING PEAT OR PEAT MOSS HAVING A MOISTURE CONTENT ADJUSTED TO EFFECT SHREDDING AND TO PREVENT POWDERING THEREOF, SAID CARBONIZING THE MILLED MATERIAL AT A TEMPERATURE RANGE
References Cited (Backward Citations)
US796019A
Cited
GB223929A
Cited
AU1887534A
Cited
US2234769A
Cited
US2304351A
Cited
GB594641A
Cited
US2516233A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-03 | 1961-08-05 | 1962-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-03 | 1965-08-05 | 1966-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-03 | 1969-08-05 | 1970-02-04 | $7700.00 | Window Closed / Lapsed |