US3392455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable pressure solvent stripping system
Assignee: Blaw Knox Co
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Filing: 1965-11-16
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Granted: 1968-07-16
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Expires: 1985-11-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Clyde L Kingsbaker
- 👤 Robert D Good
- 👤 Kenneth W Becker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:25
CPC Classifications
A; A23; A23J; A23J1/00; A23J1/006; C; C11; C11B; C11B1/00; C11B1/10; C11B1/108
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |