Patent US3461200A successfully refreshed from Google Patents.
US3461200A
Expired / Lapsed
US
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Process for the recovery of polyarthritis antigen
Assignee: Individual
•
Filing: 1966-08-17
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Granted: 1969-08-12
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Expires: 1986-08-17
Abstract
No abstract record available.
Inventors
- 👤 Hartwig Mathies
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:59
CPC Classifications
A; A61; A61K; A61K39/00; A61K39/0005; A61K39/0008; C; C07; C07K; C07K16/00; C07K16/06; G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/53; G01N33/564; G01N2800/00; G01N2800/10; G01N2800/101; G01N2800/102; Y; Y10; Y10S; Y10S530/00; Y10S530/806; Y10S530/827; Y10S530/829; Y10S530/83; Y10S530/831
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) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |