Patent US2558632A successfully refreshed from Google Patents.
US2558632A
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Process for forming bodies of artificial resin and fibrous material
Assignee: Semperit AG Holding
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Filing: 1947-06-17
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Granted: 1951-06-26
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Expires: 1967-06-17
Abstract
No abstract record available.
Inventors
- 👤 Trozmuller Friedrich Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:31
CPC Classifications
D; D06; D06M; D06M23/00; D06M23/14; B; B29; B29C; B29C65/00; B29C65/48; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/45; B29C70/00; B29C70/04; B29C70/28; B29C70/40; B29C70/42; B32; B32B; B32B27/00; B29C66/70; B29C66/72; B29C66/729
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1164099A
Cited
US1352436A
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US1944464A
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US2139054A
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US2067580A
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US2303436A
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US2293914A
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DE760048C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-25 | 1954-12-25 | 1955-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-25 | 1958-12-25 | 1959-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-25 | 1962-12-25 | 1963-06-26 | $7700.00 | Window Closed / Lapsed |