Patent US2082970A successfully refreshed from Google Patents.
US2082970A
Expired / Lapsed
US
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Rotary aggregate drier
Assignee: ROSS S MCCLAIN
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Filing: 1936-05-29
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Granted: 1937-06-08
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Expires: 1956-05-29
Abstract
No abstract record available.
Inventors
- 👤 Ivan J Overman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:34
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/02; E01C19/05
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) | 1940-06-07 | 1940-12-07 | 1941-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-06-07 | 1944-12-07 | 1945-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-06-07 | 1948-12-07 | 1949-06-08 | $7700.00 | Window Closed / Lapsed |