Patent US2504337A successfully refreshed from Google Patents.
US2504337A
Expired / Lapsed
US
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Mixing machine for plastic materials
Assignee: Individual
•
Filing: 1946-08-29
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Granted: 1950-04-18
•
Expires: 1966-08-29
Abstract
No abstract record available.
Inventors
- 👤 Evarts G Loomis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:20
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/02; B29B7/06; B29B7/10; B29B7/18; B29B7/183; B29B7/186; B29B7/22; B29B7/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1457343A
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US1518129A
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US1370893A
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US1615878A
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US1555825A
Cited
US1418642A
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GB253058A
Cited
US2027185A
Cited
US2215976A
Cited
US2298542A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-17 | 1953-10-17 | 1954-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-17 | 1957-10-17 | 1958-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-17 | 1961-10-17 | 1962-04-18 | $7700.00 | Window Closed / Lapsed |