US2040712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture and production of colored artificial filaments, threads, bands, and the like
Assignee: Akzo Nobel UK PLC
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Filing: 1935-02-05
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Granted: 1936-05-12
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Expires: 1955-02-05
Abstract
No abstract record available.
Inventors
- 👤 Robertson Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:44
CPC Classifications
D; D01; D01F; D01F2/00; D01F2/06; D01F2/08; D01F2/16
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) | 1939-05-12 | 1939-11-11 | 1940-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-05-12 | 1943-11-11 | 1944-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-05-12 | 1947-11-11 | 1948-05-12 | $7700.00 | Window Closed / Lapsed |