US2197896A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial wool
Assignee: EIDP Inc
•
Filing: 1937-02-15
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Granted: 1940-04-23
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Expires: 1957-02-15
Abstract
No abstract record available.
Inventors
- 👤 Jr John B Miles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:36
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/22; D02; D02G; D02G1/00; D02G1/02; D02G1/028; Y; Y10; Y10S; Y10S8/00; Y10S8/15; Y10S8/21; Y10T; Y10T428/00; Y10T428/29; Y10T428/2904; Y10T428/2909; Y10T442/00; Y10T442/30; Y10T442/3065
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) | 1943-04-23 | 1943-10-23 | 1944-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-04-23 | 1947-10-23 | 1948-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-04-23 | 1951-10-23 | 1952-04-23 | $7700.00 | Window Closed / Lapsed |