US2352701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of producing fast dyeings and the dyed fiber obtained thereby
Assignee: GAF Chemicals Corp
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Filing: 1940-11-27
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Granted: 1944-07-04
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Expires: 1960-11-27
Abstract
No abstract record available.
Inventors
- 👤 Fischer Erich
- 👤 Kirst Werner
- 👤 Gmelin Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:52
CPC Classifications
C; C09; C09B; C09B43/00; C09B43/44; D; D06; D06P; D06P1/00; D06P1/02; D06P1/12; D06P3/00; D06P3/58; D06P3/60; D06P3/62; D06P5/00; D06P5/02; D06P5/10
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) | 1947-07-04 | 1948-01-03 | 1948-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-07-04 | 1952-01-03 | 1952-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-07-04 | 1956-01-03 | 1956-07-04 | $7700.00 | Window Closed / Lapsed |