Patent US3548053A successfully refreshed from Google Patents.
US3548053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interferon production
Assignee: FRANK W HORNER Ltd
•
Filing: 1965-09-07
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Granted: 1970-12-15
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Expires: 1985-09-07
Abstract
No abstract record available.
Inventors
- 👤 Narendra Nath Joshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:56
CPC Classifications
C; C07; C07K; C07K14/00; C07K14/435; C07K14/52; C07K14/555; Y; Y10; Y10S; Y10S435/00; Y10S435/811
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) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |