US2461094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making lightweight filamentous structures
Assignee: Akzo Nobel UK PLC
•
Filing: 1944-04-12
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Granted: 1949-02-08
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Expires: 1964-04-12
Abstract
No abstract record available.
Inventors
- 👤 Robert J Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:18
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/22; Y; Y10; Y10S; Y10S264/00; Y10S264/73; Y10S264/75
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-08 | 1952-08-09 | 1953-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-08 | 1956-08-09 | 1957-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-08 | 1960-08-09 | 1961-02-08 | $7700.00 | Window Closed / Lapsed |