US3448038A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for the dehydration of oil
Assignee: Pall Corp
•
Filing: 1966-03-15
•
Granted: 1969-06-03
•
Expires: 1986-03-15
Abstract
No abstract record available.
Inventors
- 👤 David B Pall
- 👤 Klaus S Feindler
- 👤 Arthur Vogel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:04
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/06; Y; Y10; Y10S; Y10S261/00; Y10S261/72
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-02 | 1972-12-02 | 1973-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-02 | 1976-12-02 | 1977-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-02 | 1980-12-02 | 1981-06-03 | $7700.00 | Window Closed / Lapsed |