US2180145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flatting agent and uses therefor
Assignee: Monsanto Chemicals Ltd
•
Filing: 1938-01-03
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Granted: 1939-11-14
•
Expires: 1958-01-03
Abstract
No abstract record available.
Inventors
- 👤 Harford Charles Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:32
CPC Classifications
C; C09; C09D; C09D7/00; C09D7/40; C09D7/42; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/554; Y10T70/5562; Y10T70/5575; Y10T70/558; Y10T70/5589
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) | 1942-11-13 | 1943-05-15 | 1943-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-11-13 | 1947-05-15 | 1947-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-11-13 | 1951-05-15 | 1951-11-14 | $7700.00 | Window Closed / Lapsed |