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Patent US2874484A successfully refreshed from Google Patents.
US2874484A
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Apparatus for thermally treating articles
Assignee: Wolverine Corp
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Filing: 1956-11-09
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Granted: 1959-02-24
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Expires: 1976-11-09
Abstract
No abstract record available.
Inventors
- 👤 William P Dapses
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:22
CPC Classifications
F; F26; F26B; F26B21/00; F26B21/50; B; B29; B29C; B29C35/00; B29C35/02; B29C35/04; F26B15/00; F26B15/02; F26B15/04; F26B21/20; F26B21/25; F26B21/55
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |