US3389966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and process for semiqualitative, semiquantitative immunodiffusion reactions
Assignee: Individual
•
Filing: 1964-04-30
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Granted: 1968-06-25
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Expires: 1984-04-30
Abstract
No abstract record available.
Inventors
- 👤 Calvin A Saravis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:14
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/53; G01N33/558; G01N33/559; Y; Y10; Y10S; Y10S436/00; Y10S436/807; Y10S436/809
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) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |