US2482525A
Expired / Lapsed
US
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Odorless phenol-formaldehyde resinous products
Assignee: Westinghouse Electric Corp
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Filing: 1945-10-19
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Granted: 1949-09-20
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Expires: 1965-10-19
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Wachter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:25
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/20; D21H17/33; D21H17/46; D21H17/47; D21H17/48; C; C08; C08G; C08G8/00; C08G8/04; C08G8/08; C08G8/10; C08L; C08L1/00; C08L1/02; C08L97/00; C08L97/02; D21H27/00; D21H27/18; D21H27/22; D21H27/24; C08K; C08K5/00; C08K5/16; C08K5/17; C08L2205/00; C08L2205/14; C08L2205/16; C08L61/00; C08L61/04; C08L61/06; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31942; Y10T428/31949; Y10T428/31964; Y10T428/31967; Y10T442/00; Y10T442/20; Y10T442/2361
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 |