US2071385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of textile materials
Assignee: BUROMIN Co
•
Filing: 1933-07-12
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Granted: 1937-02-23
•
Expires: 1953-07-12
Abstract
No abstract record available.
Inventors
- 👤 Edward B Bell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:44
CPC Classifications
D; D01; D01C; D01C3/00; D01C3/02; D06; D06P; D06P1/00; D06P1/44; D06P1/673; D06P1/67316; D06P1/67333; D06P1/6735; D06P1/67366
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) | 1940-02-23 | 1940-08-24 | 1941-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-02-23 | 1944-08-24 | 1945-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-02-23 | 1948-08-24 | 1949-02-23 | $7700.00 | Window Closed / Lapsed |