US2533796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for processing plastic material
Assignee: Auburn Research Foundation
•
Filing: 1946-06-11
•
Granted: 1950-12-12
•
Expires: 1966-06-11
Abstract
No abstract record available.
Inventors
- 👤 Harris Hubert
- 👤 Ware Lamar Mims
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:22
CPC Classifications
A; A21; A21C; A21C11/00; A21C11/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US498206A
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US518942A
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US1777294A
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US1773552A
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US1887138A
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US2245308A
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US2308937A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |