Patent US3368330A successfully refreshed from Google Patents.
US3368330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Viscose degasification apparatus
Assignee: EARL H ELLIOTT
•
Filing: 1966-01-15
•
Granted: 1968-02-13
•
Expires: 1986-01-15
Abstract
No abstract record available.
Inventors
- 👤 Earl H Elliott
- 👤 John A Eller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:33
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/0021; D; D01; D01D; D01D1/00; D01D1/10; D01D1/103; Y; Y10; Y10S; Y10S159/00; Y10S159/31
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US594783A
Cited
US2355057A
Cited
US2580646A
Cited
US2684728A
Cited
US2971603A
Cited
US3273630A
Cited
US3226916A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |