US2245040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of vinyl resins
Assignee: EIDP Inc
•
Filing: 1940-03-12
•
Granted: 1941-06-10
•
Expires: 1960-03-12
Abstract
No abstract record available.
Inventors
- 👤 Barnard M Marks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:28
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/12; C08J3/124; C08L; C08L31/00; C08L31/02; C08L31/04; C08J2331/00; C08J2331/02; C08J2331/04
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) | 1944-06-09 | 1944-12-09 | 1945-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-06-09 | 1948-12-09 | 1949-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-06-09 | 1952-12-09 | 1953-06-10 | $7700.00 | Window Closed / Lapsed |