Patent US3538973A successfully refreshed from Google Patents.
US3538973A
Expired / Lapsed
US
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Continuous rendering apparatus
Assignee: Viobin Industries Inc
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Filing: 1964-11-02
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Granted: 1970-11-10
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Expires: 1984-11-02
Abstract
No abstract record available.
Inventors
- 👤 Ezra Levin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:33
CPC Classifications
C; C11; C11B; C11B1/00; C11B1/10; C11B1/102; A; A23; A23J; A23J1/00; A23J1/001; A23J1/002; A23J1/04; A23K; A23K10/00; A23K10/20; A23K10/26; Y; Y10; Y10S; Y10S159/00; Y10S159/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |