US3016978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dehydrator
Assignee: Selas Corp of America
•
Filing: 1958-01-09
•
Granted: 1962-01-16
•
Expires: 1978-01-09
Abstract
No abstract record available.
Inventors
- 👤 John R Hull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:35
CPC Classifications
F; F26; F26B; F26B21/00; F26B21/30; F26B21/33; F26B21/331; B; B01; B01D; B01D53/00; B01D53/26; Y; Y10; Y10S; Y10S55/00; Y10S55/17; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0396; Y10T137/2496; Y10T137/2703; Y10T137/8593; Y10T137/87096; Y10T137/87113
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2234795A
Cited
US2709452A
Cited
US2699837A
Cited
US2748800A
Cited
US2815089A
Cited
US2800197A
Cited
US2823764A
Cited
US2880818A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |