US3478146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wound-healing cartilage powder extracting process
Assignee: CATRIX RESEARCH LIMIED PARTNERSHIP A OF DE LP
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Filing: 1968-01-17
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Granted: 1969-11-11
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Expires: 1988-01-17
Abstract
No abstract record available.
Inventors
- 👤 Leslie L Balassa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:01
CPC Classifications
A; A61; A61K; A61K35/00; A61K35/12; A61K35/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3318774A
Cited
US3400199A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |