US2482499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminates embodying mixed phenolarylamine-formaldehyde resinous products
Assignee: Westinghouse Electric Corp
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Filing: 1946-05-21
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Granted: 1949-09-20
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Expires: 1966-05-21
Abstract
No abstract record available.
Inventors
- 👤 Fritz J Nagel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:46
CPC Classifications
C; C08; C08L; C08L61/00; C08L61/34; B; B32; B32B; B32B27/00; C08G; C08G14/00; C08G14/02; C08G14/04; C08G14/06; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2475
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-19 | 1953-03-21 | 1953-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-19 | 1957-03-21 | 1957-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-19 | 1961-03-21 | 1961-09-20 | $7700.00 | Window Closed / Lapsed |