Patent US2948594A successfully refreshed from Google Patents.
US2948594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molded pulp coated charcoal and charcoal briquettes
Assignee: Diamond National Corp
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Filing: 1956-08-06
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Granted: 1960-08-09
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Expires: 1976-08-06
Abstract
No abstract record available.
Inventors
- 👤 William V Doyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:59
CPC Classifications
C; C10; C10L; C10L5/00; C10L5/02; C10L5/26; C10L5/32; C10L5/40; C10L5/44; Y; Y02; Y02E; Y02E50/00; Y02E50/10; Y02E50/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A CHARCOAL FUEL COMPRISING A LUMP OF CHARCOAL, AN ADHERENT COATING OF FELTED FIBROUS PULP MOLDED AROUND AND COMPLETELY COVERING THE LUMP, AND A PROJECTING FIN OF MOLDED FIBROUS PULP FORMED INTEGRALLY WITH AND EXTENDING CIRCUMFERENTIALLY AROUND THE COATING ON THE EXTEIROR OF THE LUMP.
Claim 2
Dependent Claim
45 words
A CHARCOAL FUEL COMPRISING A LUMP OF CHARCOAL, AN ADHERENT COATING OF FELTED FIBROUS PULP MOLDED AROUND AND COMPLETELY COVERING THE LUMP, AND A PROJECTING FIN OF MOLDED FIBROUS PULP FORMED INTEGRALLY WITH AND EXTENDING CIRCUMFERENTIALLY AROUND THE COATING ON THE EXTEIROR OF THE LUMP.
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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) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |