US3497190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for hot de-oiling and hot briquetting
Assignee: Berwind Corp
•
Filing: 1968-04-15
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Granted: 1970-02-24
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Expires: 1988-04-15
Abstract
No abstract record available.
Inventors
- 👤 James E Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:33
CPC Classifications
F; F23; F23G; F23G7/00; C; C22; C22B; C22B1/00; C22B1/005; C22B1/14; C22B1/24; C22B1/248; F23G5/00; F23G5/08; F23G5/14; F23G5/16; F23G5/165; F23G5/20; F23G5/24; F23G5/26; F23G5/28; F23G5/30; F23G7/05; Y; Y02; Y02P; Y02P10/00; Y02P10/20; Y10; Y10S; Y10S266/00; Y10S266/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2026622A
Cited
US2246224A
Cited
US2676006A
Cited
US3087443A
Cited
US3352259A
Cited
US3412985A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |