US2142042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for drying
Assignee: US Hoffman Machinery Corp
•
Filing: 1935-10-12
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Granted: 1938-12-27
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Expires: 1955-10-12
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 23:25
CPC Classifications
D; D06; D06F; D06F43/00; D06F43/007; D06F58/00; D06F58/02; D06F58/30
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) | 1941-12-26 | 1942-06-27 | 1942-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-12-26 | 1946-06-27 | 1946-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-12-26 | 1950-06-27 | 1950-12-27 | $7700.00 | Window Closed / Lapsed |