US2091105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile assistants and process for preparing the same
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1934-02-08
•
Granted: 1937-08-24
•
Expires: 1954-02-08
Abstract
No abstract record available.
Inventors
- 👤 Piggott Henry Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:02
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; D06M13/372; D06P; D06P1/00; D06P1/44; D06P1/60; D06P1/607; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/07
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1940-08-23 | 1941-02-22 | 1941-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-08-23 | 1945-02-22 | 1945-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-08-23 | 1949-02-22 | 1949-08-24 | $7700.00 | Window Closed / Lapsed |