US3413079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkanoic acid and hydroxy alkanoic acid salt softening of tanned collagen strands
Assignee: Ethicon Inc
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Filing: —
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Granted: 1968-11-26
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Expires: 1985-11-26
Abstract
No abstract record available.
Inventors
- 👤 Ernest J Rich Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:38
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/10; D06M13/184; D06M13/207; A; A61; A61L; A61L17/00; A61L17/14; D06M13/188; D06M13/192; D06M7/00; D06M2200/00; D06M2200/40
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) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |