Patent US3533143A successfully refreshed from Google Patents.
US3533143A
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Method of and device for firing axially symmetric ceramic objects
Assignee: Tesla AS
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Filing: 1966-01-12
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Granted: 1970-10-13
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Expires: 1986-01-12
Abstract
No abstract record available.
Inventors
- 👤 Josef Varga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:00
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/622; C04B35/64; F; F27; F27B; F27B9/00; F27B9/14; F27B9/20; F27B9/24; F27D; F27D5/00; F27D5/0068; F27D3/00; F27D2003/0085; F27D2003/0087; F27D2003/0089; F27M; F27M2001/00; F27M2001/15; F27M2001/1504; F27M2001/1526
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1900903A
Cited
US1962635A
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US2577935A
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US2629131A
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US3110075A
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US3230596A
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US3210449A
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US3360828A
Cited
US3328861A
Cited
US3336018A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |