Patent US2203422A successfully refreshed from Google Patents.
US2203422A
Expired / Lapsed
US
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Apparatus for drying
Assignee: US Hoffman Machinery Corp
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Filing: 1937-07-24
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Granted: 1940-06-04
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Expires: 1957-07-24
Abstract
No abstract record available.
Inventors
- 👤 Strobridge William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:35
CPC Classifications
F; F26; F26B; F26B25/00; F26B25/009; D; D06; D06F; D06F43/00
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) | 1943-06-04 | 1943-12-04 | 1944-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-06-04 | 1947-12-04 | 1948-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-06-04 | 1951-12-04 | 1952-06-04 | $7700.00 | Window Closed / Lapsed |