Patent US2401236A successfully refreshed from Google Patents.
US2401236A
Expired / Lapsed
US
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Apparatus for producing subdivided molding material
Assignee: EIDP Inc
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Filing: 1942-10-10
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Granted: 1946-05-28
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Expires: 1962-10-10
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Fielitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:53
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/22; B30B11/227; B29; B29B; B29B9/00; B29B9/02; B29B9/06; B29B9/065; B30B11/24; Y; Y10; Y10S; Y10S100/00; Y10S100/903; Y10S100/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-05-27 | 1949-11-26 | 1950-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-05-27 | 1953-11-26 | 1954-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-05-27 | 1957-11-26 | 1958-05-28 | $7700.00 | Window Closed / Lapsed |