US3216909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tall oil processing system
Assignee: Individual
•
Filing: 1963-03-04
•
Granted: 1965-11-09
•
Expires: 1983-03-04
Abstract
No abstract record available.
Inventors
- 👤 Dellason F Bress
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:09
CPC Classifications
C; C11; C11B; C11B13/00; C11B13/005; C07; C07C; C07C51/00; C07C51/42; C07C51/43; C07C51/44; C09; C09F; C09F1/00; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/74
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2224984A
Cited
US2402077A
Cited
US2716630A
Cited
US2894880A
Cited
US2886492A
Cited
US2952631A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |