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Patent US3440142A successfully refreshed from Google Patents.
US3440142A
Expired / Lapsed
US
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Production of asparaginase
Assignee: COOPERBIOMEDICAL Inc 3145 PORTER DRIVE PALO ALTO CA 94304 A CORP OF
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Filing: 1966-03-03
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Granted: 1969-04-22
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Expires: 1986-03-03
Abstract
No abstract record available.
Inventors
- 👤 Joseph D Teller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:32
CPC Classifications
C; C12; C12N; C12N9/00; C12N9/14; C12N9/78; C12N9/80; C12N9/82; Y; Y10; Y10S; Y10S435/00; Y10S435/814; Y10S435/815; Y10S435/816; Y10S435/8215; Y10S435/822; Y10S435/848; Y10S435/849
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2997425A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |