Patent US2808885A successfully refreshed from Google Patents.
US2808885A
Expired / Lapsed
US
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Centering press
Assignee: American Steel Foundries
•
Filing: 1955-09-07
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Granted: 1957-10-08
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Expires: 1975-09-07
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Tomka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:21
CPC Classifications
B; B23; B23B; B23B49/00; B23B49/04; B21; B21J; B21J9/00; B21J9/02; B21J9/04; Y; Y10; Y10T; Y10T408/00; Y10T408/36; Y10T408/375; Y10T408/378; Y10T408/3796; Y10T82/00; Y10T82/25; Y10T82/2514
Claims Analysis
Total Claims: 0
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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) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |