US2217153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for drying
Assignee: US Hoffman Machinery Corp
•
Filing: 1937-03-27
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Granted: 1940-10-08
•
Expires: 1957-03-27
Abstract
No abstract record available.
Inventors
- 👤 George E Bowdoin
- 👤 Strobridge William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:22
CPC Classifications
F; F26; F26B; F26B11/00; F26B11/18; F26B11/181; F26B21/00; F26B21/30; F26B21/35
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) | 1943-10-08 | 1944-04-08 | 1944-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-10-08 | 1948-04-08 | 1948-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-10-08 | 1952-04-08 | 1952-10-08 | $7700.00 | Window Closed / Lapsed |