US2602498A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Evacuated drum drying machine
Assignee: Overton Machine Co
•
Filing: 1948-09-03
•
Granted: 1952-07-08
•
Expires: 1968-09-03
Abstract
No abstract record available.
Inventors
- 👤 Lyle S Overton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:53
CPC Classifications
F; F26; F26B; F26B5/00; F26B5/04; F26B5/041; F26B17/00; F26B17/28; F26B17/284; Y; Y10; Y10S; Y10S159/00; Y10S159/42; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1955-07-08 | 1956-01-07 | 1956-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-08 | 1960-01-07 | 1960-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-08 | 1964-01-07 | 1964-07-08 | $7700.00 | Window Closed / Lapsed |