US3458543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating spent wool scouring liquors
Assignee: Mosilana Narodni Podnik
•
Filing: 1966-03-22
•
Granted: 1969-07-29
•
Expires: 1986-03-22
Abstract
No abstract record available.
Inventors
- 👤 Milan Koubik
- 👤 Vaclav Kresta
- 👤 Jiri Valenta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:53
CPC Classifications
C; C11; C11B; C11B11/00; C11B11/005; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/74
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US271192A
Cited
US632419A
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US1170962A
Cited
US1476685A
Cited
US2629723A
Cited
US2692184A
Cited
US2903424A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |