Patent US2493785A successfully refreshed from Google Patents.
US2493785A
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Article heating and delivery apparatus
Assignee: Ohio Crankshaft Co
•
Filing: 1947-10-11
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Granted: 1950-01-10
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Expires: 1967-10-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Harold A Strickland
- 👤 Benjamin R Purvin
- 👤 Donald W Riddell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:32
CPC Classifications
F; F27; F27D; F27D3/00; F27D3/0024; C; C21; C21D; C21D9/00; C21D9/0093; F27B; F27B17/00; F27B17/0016; F27B2017/0091; F27D19/00; F27D2003/0001; F27D2003/0014; F27D2003/0015; F27D2003/0034; F27D2003/0081; F27D99/00; F27D99/0001; F27D2099/0058; F27M; F27M2001/00; F27M2001/15; F27M2001/1539; F27M2001/1543
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) | 1953-01-09 | 1953-07-11 | 1954-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-09 | 1957-07-11 | 1958-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-09 | 1961-07-11 | 1962-01-10 | $7700.00 | Window Closed / Lapsed |