US3075494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making metallized porous refractory material
Assignee: Union Carbide Corp
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Filing: 1960-02-19
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Granted: 1963-01-29
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Expires: 1980-02-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry A Toulmin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:46
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B41/45; C04B41/50; C04B41/51; C04B41/80; C04B41/81; C04B41/85; C04B41/88; C23; C23C; C23C16/00; C23C16/04; C23C16/045; C23C16/44; C23C16/48; C23C16/481
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
AN APPARATUS FOR MAKING METALLIZED POROUS REFRACTORY MATERIAL WHICH COMPRISES A GAS PLATING CHAMBER COMPOSED OF TELESCOPING CASINGS, EACH OF SAID CASINGS HAVING TRANSPARENT SIDE WALLS, MEANS FOR SUPPORTING A POROUS CERAMIC BODY IN SAID GAS PLATING CHAMBER, AND MEANS COMPRISING A PLURALITY OF INFRA-RED LAMPS DISPOSED CIRCUMFERENTIALLY ABOUT SAID GAS PLATING CHAMBER AND FOCUSED
Claim 2
Independent Claim
55 words
AN APPARATUS FOR MAKING METALLIZED POROUS REFRACTORY MATERIAL WHICH COMPRISES A GAS PLATING CHAMBER COMPOSED OF TELESCOPING CASINGS, EACH OF SAID CASINGS HAVING TRANSPARENT SIDE WALLS, MEANS FOR SUPPORTING A POROUS CERAMIC BODY IN SAID GAS PLATING CHAMBER, AND MEANS COMPRISING A PLURALITY OF INFRA-RED LAMPS DISPOSED CIRCUMFERENTIALLY ABOUT SAID GAS PLATING CHAMBER AND FOCUSED
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) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |