US2675304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Briquetting
Assignee: Komarek-Greaves and Co
•
Filing: 1950-08-04
•
Granted: 1954-04-13
•
Expires: 1970-08-04
Abstract
No abstract record available.
Inventors
- 👤 Komarek Gustav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:53
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/16; B30B15/00; B30B15/30; B30B15/302; B30B15/308; C; C10; C10L; C10L5/00; C10L5/02; C10L5/06; Y; Y10; Y10S; Y10S100/00; Y10S100/903; Y10S100/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
THE PROCESS OF FORMING BRIQUETTES AND NODULES WHICH COMPRISES PASSING COAL PARTICLES OF ABOUT 30 TO 200 MESH SIZE CONTAINING NATURAL FOSSIL PLANT RESIDUES AND HAVING A FREE MOISTURE CONTENT NOT IN EXCESS OF ABOUT 3% THROUGH INTERMESHING CORRUGATED ROLLS AND THEREBY DEAERATING, DENSIFYING AND FORMING THE PARTICLES INTO FLAKELIKE SHALEFIED BODIES, AND COMPRESSING MASSES OF THE BODIES BETWEEN ROLLS INTO BRIQUETTES.
Claim 2
Dependent Claim
62 words
THE PROCESS OF FORMING BRIQUETTES AND NODULES WHICH COMPRISES PASSING COAL PARTICLES OF ABOUT 30 TO 200 MESH SIZE CONTAINING NATURAL FOSSIL PLANT RESIDUES AND HAVING A FREE MOISTURE CONTENT NOT IN EXCESS OF ABOUT 3% THROUGH INTERMESHING CORRUGATED ROLLS AND THEREBY DEAERATING, DENSIFYING AND FORMING THE PARTICLES INTO FLAKELIKE SHALEFIED BODIES, AND COMPRESSING MASSES OF THE BODIES BETWEEN ROLLS INTO BRIQUETTES.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |