Patent US4020214A successfully refreshed from Google Patents.
Patent US3275488A successfully refreshed from Google Patents.
US3275488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabrication of carbon and graphite bodies
Assignee: GREAT LAKES CARBON Corp
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Filing: 1960-08-05
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Granted: 1966-09-27
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Expires: 1980-08-05
Abstract
No abstract record available.
Inventors
- 👤 Bruce L Bailey
- 👤 Berch Y Karagoz
- 👤 Peller Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:10
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/515; C04B35/52; C04B35/528; C04B35/532; C04B35/522; C04B37/00; C04B37/003; C04B37/005; C25; C25B; C25B11/00; C25B11/04; C25B11/042; C25B11/043; C25B13/00; C25B13/04; C25B13/05; C25B13/06; C04B2235/00; C04B2235/60; C04B2235/602; C04B2235/6021; C04B2235/70; C04B2235/96; C04B2237/00; C04B2237/02; C04B2237/04; C04B2237/08; C04B2237/086; C04B2237/30; C04B2237/32; C04B2237/36; C04B2237/363; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A METHOD OF FABRICATING CARBONACEOUS BODIES WHICH COMPRISES: (A) SHAPING CARBONACEOUS MIXTURES INTO DESIRED DIMENSIONED "GREEN" BODIES BY MOLDING OR EXTRUSION; (B) COATING A SURFACE OF AT LEAST ONE OF SAID BODIES WHICH ARE TO BE JOINED WITH A CARBONACEOUS BONDING AGENT; (C) JOINING THE TWO BODIES TOGETHER WITH THE BONDING AGENT AT THEIR INTERFACE; (D) SURROUNDING THE JOINT FORMED BY THE TWO PIECES BEING JOINED WITH A SUPPORT TAPE TO PREVENT ESCAPE OF BINDER; ND (E) HEATING THE PIECES IN A BAKING FURNACE IN SUCH A MANNER THAT THE COMPOSITE OF THE JOINTE PIECES IS BROUGHT UNIFORMLY TO A BAKED CONDITION AFTER SURROUNDING SAID COMPOSITE WITH A PACKING MATERIAL.
Claim 2
Independent Claim
110 words
A METHOD OF FABRICATING CARBONACEOUS BODIES WHICH COMPRISES: (A) SHAPING CARBONACEOUS MIXTURES INTO DESIRED DIMENSIONED "GREEN" BODIES BY MOLDING OR EXTRUSION; (B) COATING A SURFACE OF AT LEAST ONE OF SAID BODIES WHICH ARE TO BE JOINED WITH A CARBONACEOUS BONDING AGENT; (C) JOINING THE TWO BODIES TOGETHER WITH THE BONDING AGENT AT THEIR INTERFACE; (D) SURROUNDING THE JOINT FORMED BY THE TWO PIECES BEING JOINED WITH A SUPPORT TAPE TO PREVENT ESCAPE OF BINDER; ND (E) HEATING THE PIECES IN A BAKING FURNACE IN SUCH A MANNER THAT THE COMPOSITE OF THE JOINTE PIECES IS BROUGHT UNIFORMLY TO A BAKED CONDITION AFTER SURROUNDING SAID COMPOSITE WITH A PACKING MATERIAL.
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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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |