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Patent US2458562A successfully refreshed from Google Patents.
US2458562A
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Process for producing a molding material and the article produced
Assignee: Akzo Nobel UK PLC
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Filing: 1945-12-22
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Granted: 1949-01-11
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Expires: 1965-12-22
Abstract
No abstract record available.
Inventors
- 👤 Clark James Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:56
CPC Classifications
C; C08; C08L; C08L7/00; C08L21/00; C08K; C08K7/00; C08K7/02; C08L1/00; C08L1/08; C08L1/26; C08L1/28; Y; Y10; Y10S; Y10S524/00; Y10S524/925
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) | 1952-01-11 | 1952-07-12 | 1953-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-11 | 1956-07-12 | 1957-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-11 | 1960-07-12 | 1961-01-11 | $7700.00 | Window Closed / Lapsed |