Patent US2307157A successfully refreshed from Google Patents.
US2307157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized vinyl resin
Assignee: Carbide and Carbon Chemicals Corp
•
Filing: 1942-07-01
•
Granted: 1943-01-05
•
Expires: 1962-07-01
Abstract
No abstract record available.
Inventors
- 👤 Jr William M Quattlebaum
- 👤 Charles A Noffsinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:17
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/56; C08K5/57
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) | 1946-01-04 | 1946-07-06 | 1947-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-01-04 | 1950-07-06 | 1951-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-01-04 | 1954-07-06 | 1955-01-05 | $7700.00 | Window Closed / Lapsed |