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Patent US3530037A successfully refreshed from Google Patents.
US3530037A
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Method for solubilization of collagen fibers with proteolytic enzymes
Assignee: Individual
•
Filing: 1967-03-20
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Granted: 1970-09-22
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Expires: 1987-03-20
Abstract
No abstract record available.
Inventors
- 👤 Tomio Nishihara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:46
CPC Classifications
C; C12; C12N; C12N9/00; C12N9/14; C12N9/48; C12N9/50; C12N9/58; C12N9/62; C12P; C12P21/00; C12P21/06; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911; Y10S435/913; Y10S435/917; Y10S435/918
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3314861A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |