US2454210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic resin and members produced therefrom
Assignee: Westinghouse Electric Corp
•
Filing: 1943-04-17
•
Granted: 1948-11-16
•
Expires: 1963-04-17
Abstract
No abstract record available.
Inventors
- 👤 Robert H Runk
- 👤 Robert D Jerabek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:04
CPC Classifications
C; C04; C04B; C04B26/00; C04B26/02; C04B26/10; C04B26/18; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/52; C08G63/54; H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/42; H01B3/421; H01B3/425
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2194894A
Cited
GB500547A
Cited
US2270889A
Cited
GB540168A
Cited
US2288315A
Cited
US2319780A
Cited
US2319826A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-16 | 1952-05-17 | 1952-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-16 | 1956-05-17 | 1956-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-16 | 1960-05-17 | 1960-11-16 | $7700.00 | Window Closed / Lapsed |