Patent US3350485A successfully refreshed from Google Patents.
US3350485A
Expired / Lapsed
US
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Apparatus for and method of controlling the t/l ratio of the cte in extruded carbonaceous stock
Assignee: Union Carbide Corp
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Filing: 1964-06-05
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Granted: 1967-10-31
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Expires: 1984-06-05
Abstract
No abstract record available.
Inventors
- 👤 Elmer G Shesler
- 👤 Elmer A Bowen
- 👤 Ronald F Burden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:20
CPC Classifications
G; G21; G21C; G21C5/00; G21C5/12; G21C5/126; C; C04; C04B; C04B35/00; C04B35/515; C04B35/52; C04B35/528; C04B35/532; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A METHOD FOR CONTROLLING THE ORIENTATION OF THE THERMAL EXPANSION IN THE STRUCTURE OF CARBONACEOUS STOCK COMPRISING THE STEP OF FORCING A STREAM OF CARBONACEOUS MATTER CONTAINING NEEDLE-LIKE COKE PARTICLES AND A BINDER AROUND A BAFFLE PLATE, SAID BAFFLE PLATE BEING PLACED PERPENDICULARLY TO THE AXIS OF THE DIRECTION OF EXTRUSION AND JUST PRIOR TO THE ENTRANCE OF A FORMING DIE, WHEREBY SAID STREAM ABRUPTLY CHANGES DIRECTION AFTER PASSING SAID
Claim 2
Independent Claim
70 words
A METHOD FOR CONTROLLING THE ORIENTATION OF THE THERMAL EXPANSION IN THE STRUCTURE OF CARBONACEOUS STOCK COMPRISING THE STEP OF FORCING A STREAM OF CARBONACEOUS MATTER CONTAINING NEEDLE-LIKE COKE PARTICLES AND A BINDER AROUND A BAFFLE PLATE, SAID BAFFLE PLATE BEING PLACED PERPENDICULARLY TO THE AXIS OF THE DIRECTION OF EXTRUSION AND JUST PRIOR TO THE ENTRANCE OF A FORMING DIE, WHEREBY SAID STREAM ABRUPTLY CHANGES DIRECTION AFTER PASSING SAID
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |