US2492065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scrubber for rubber bales
Assignee: AT&T Inc
•
Filing: 1942-12-08
•
Granted: 1949-12-20
•
Expires: 1962-12-08
Abstract
No abstract record available.
Inventors
- 👤 Vincent A Rayburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:07
CPC Classifications
B; B29; B29B; B29B15/00; B29B15/02; B29B15/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US753958A
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US861610A
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US1038656A
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US1596041A
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US1498255A
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US1927225A
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US1971790A
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US2003847A
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US2103957A
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US2168692A
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US2153207A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-19 | 1953-06-20 | 1953-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-19 | 1957-06-20 | 1957-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-19 | 1961-06-20 | 1961-12-20 | $7700.00 | Window Closed / Lapsed |