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US3510402A
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Nondiscriminating proteinase and the production thereof
Assignee: University of Minnesota Twin Cities
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Filing: 1966-01-24
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Granted: 1970-05-05
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Expires: 1986-01-24
Abstract
No abstract record available.
Inventors
- 👤 William E Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:51
CPC Classifications
C; C12; C12N; C12N9/00; C12N9/14; C12N9/48; C12N9/50; C12N9/58; Y; Y10; Y10S; Y10S435/00; Y10S435/814; Y10S435/816; Y10S435/8215; Y10S435/911; Y10S435/933; Y10S435/936
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3127327A
Cited
US2940904A
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US2926122A
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US3063911A
Cited
US3269918A
Cited
US3331751A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |