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US3398677A
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Apparatus and methods for rendering animal materials and products produced thereby
Assignee: CALVIN C THEOBALD
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Filing: 1966-08-11
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Granted: 1968-08-27
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Expires: 1986-08-11
Abstract
No abstract record available.
Inventors
- 👤 Harry A Theobald
- 👤 Calvin C Theobald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:54
CPC Classifications
C; C11; C11B; C11B1/00; C11B1/06; C11B1/08; A; A23; A23K; A23K10/00; A23K10/20; A23K10/26; A23N; A23N17/00; A23N17/002
Claims Analysis
Total Claims: 0
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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) | 1971-08-27 | 1972-02-26 | 1972-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-27 | 1976-02-26 | 1976-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-27 | 1980-02-26 | 1980-08-27 | $7700.00 | Window Closed / Lapsed |