US2582386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Briquettes and method of making same
Assignee: Komarek-Greaves and Co
•
Filing: 1950-08-04
•
Granted: 1952-01-15
•
Expires: 1970-08-04
Abstract
No abstract record available.
Inventors
- 👤 Komarek Gustav
- 👤 Walter J Chapman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:53
CPC Classifications
C; C22; C22B; C22B1/00; C22B1/14; C22B1/24
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
61 words
A BRIQUETTE CONSISTING ESSENTIALLY OF FROM ABOUT 90 TO 10% FLUE DUST AND FROM ABOUT 10 TO 90% IRON ORE FINES, CLAY IN AMOUNT OF ABOUT 1 1/2 TO 3 1/2% ON THE BASIS OF THE COMBINED DUST AND FINES AND AN ORGANIC AMMONIUM COMPOUND IN AMOUNT OF ABOUT .25 TO 1% ON THE BASIS OF THE COMBINED DUST AND FINES.
References Cited (Backward Citations)
US1111919A
Cited
US1428061A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-14 | 1955-07-16 | 1956-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-14 | 1959-07-16 | 1960-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-14 | 1963-07-16 | 1964-01-15 | $7700.00 | Window Closed / Lapsed |