US2186040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition of matter and process of preparing the same
Assignee: Raffold Process Corp
•
Filing: 1934-09-29
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Granted: 1940-01-09
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Expires: 1954-09-29
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Plumstead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:53
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/02; C09C1/021; C09C1/022; C09C1/024; C01; C01P; C01P2002/00; C01P2002/02; C01P2004/00; C01P2004/80; C01P2006/00; C01P2006/60
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) | 1943-01-08 | 1943-07-10 | 1944-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-01-08 | 1947-07-10 | 1948-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-01-08 | 1951-07-10 | 1952-01-09 | $7700.00 | Window Closed / Lapsed |