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Patent US2765081A successfully refreshed from Google Patents.
US2765081A
Expired / Lapsed
US
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Recovery of wool wax
Assignee: Commonwealth Scientific and Industrial Research Organisation
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Filing: 1953-08-06
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Granted: 1956-10-02
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Expires: 1973-08-06
Abstract
No abstract record available.
Inventors
- 👤 Evans Leslie Frank
- 👤 Ewers Wilfred Ernest
- 👤 Simpson Cecil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:15
CPC Classifications
B; B03; B03D; B03D1/00; B03D1/14; B03D1/16; B03D1/18; B03D1/1406; B03D1/1412; B03D1/1443; B03D1/1462
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-02 | 1960-04-02 | 1960-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-02 | 1964-04-02 | 1964-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-02 | 1968-04-02 | 1968-10-02 | $7700.00 | Window Closed / Lapsed |