US2663901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for milling rubber
Assignee: Aetna Standard Engineering Co
•
Filing: 1950-11-04
•
Granted: 1953-12-29
•
Expires: 1970-11-04
Abstract
No abstract record available.
Inventors
- 👤 Hale Andrew
- 👤 Gilbert V Kullgren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:53
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/30; B29B7/34; B29B7/52; B29B7/56; B29B7/562; B29B7/74; B29B7/7476; B29B7/7495
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US762586A
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US1881994A
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GB436743A
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US2067458A
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US2097290A
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US2264237A
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FR886266A
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US2478885A
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US2540195A
Cited
US2519834A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |