US2245500A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyvinyl resin composition
Assignee: IG Farbenindustrie AG
•
Filing: 1938-11-29
•
Granted: 1941-06-10
•
Expires: 1958-11-29
Abstract
No abstract record available.
Inventors
- 👤 Rein Herbert
- 👤 Rossler Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:21
CPC Classifications
C; C08; C08L; C08L81/00; A; A23; A23C; A23C21/00; A23C21/02; A23C21/026; A23C21/08; C08K; C08K3/00; C08K3/02; C08K3/06; D; D01; D01F; D01F6/00; D01F6/02; D01F6/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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 |