US2469407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of textile materials
Assignee: Monsanto Chemicals Ltd
•
Filing: 1945-12-01
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Granted: 1949-05-10
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Expires: 1965-12-01
Abstract
No abstract record available.
Inventors
- 👤 Donald H Powers
- 👤 Elmer H Rossin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:35
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/263; D06M13/00; D06M13/322; D06M13/325; D06M13/332; D06M15/227; D06M15/233; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2762; Y10T442/277; Y10T442/2861; Y10T442/2893; Y10T442/2926; Y10T442/2992; Y10T442/30; Y10T442/3049
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-09 | 1952-11-08 | 1953-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-09 | 1956-11-08 | 1957-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-09 | 1960-11-08 | 1961-05-10 | $7700.00 | Window Closed / Lapsed |