US2349820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solution of copper mercaptides from terpenes
Assignee: EIDP Inc
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Filing: 1942-04-23
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Granted: 1944-05-30
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Expires: 1962-04-23
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Fox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:38
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2219/04; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/08; C10M2219/082; C10M2219/083; C10M2219/084; C10M2223/00; C10M2223/06; C10M2223/065; C10N; C10N2010/00; C10N2010/02; C10N2030/00; C10N2030/12; C10N2070/00; C10N2070/02
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) | 1947-05-30 | 1947-11-29 | 1948-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-05-30 | 1951-11-29 | 1952-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-05-30 | 1955-11-29 | 1956-05-30 | $7700.00 | Window Closed / Lapsed |