US1816766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of dyeing and printing cellulose esters
Assignee: Firm Durand & Huguenin S A
•
Filing: 1927-06-29
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Granted: 1931-07-28
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Expires: 1947-06-29
Abstract
No abstract record available.
Inventors
- 👤 Niederhausern Georges De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:24
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/22; D06P1/28; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/921
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) | 1934-07-27 | 1935-01-26 | 1935-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-07-27 | 1939-01-26 | 1939-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-07-27 | 1943-01-26 | 1943-07-28 | $7700.00 | Window Closed / Lapsed |