Patent US3369981A successfully refreshed from Google Patents.
US3369981A
Expired / Lapsed
US
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Method of treating textile materials of animal origin, notably wool
Assignee: Individual
•
Filing: 1967-07-19
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Granted: 1968-02-20
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Expires: 1987-07-19
Abstract
No abstract record available.
Inventors
- 👤 Levaux Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:48
CPC Classifications
B; B29; B29C; B29C59/00; B29C59/10; B26; B26F; B26F1/00; B26F1/26; B26F1/28; D; D06; D06M; D06M10/00; D06M10/02; D06M10/025; H; H05; H05F; H05F1/00; H05F1/02; B29K; B29K2313/00; D06M2101/00; D06M2101/02; D06M2101/04; D06M2101/06; D06M2101/08; D06M2101/16; D06M2101/18; D06M2101/30; D06M2101/32; D06M2101/34; D06M2200/00; D06M2200/45
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2977475A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |