Patent US2564027A successfully refreshed from Google Patents.
US2564027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet handling apparatus
Assignee: Tennessee Coal Iron and Railroad Co
•
Filing: 1947-12-03
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Granted: 1951-08-14
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Expires: 1967-12-03
Abstract
No abstract record available.
Inventors
- 👤 Rollin D Osgood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:02
CPC Classifications
C; C23; C23C; C23C2/00; B; B65; B65G; B65G47/00; B65G47/22; B65G47/24; B65G47/248; B65G47/252; B65G57/00; B65G57/02; B65G57/08; B65G29/00
Claims Analysis
Total Claims: 0
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US1846776A
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US2000292A
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US2227202A
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US2506087A
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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) | 1954-08-13 | 1955-02-12 | 1955-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-13 | 1959-02-12 | 1959-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-13 | 1963-02-12 | 1963-08-14 | $7700.00 | Window Closed / Lapsed |