US2598322A
Expired / Lapsed
US
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Assignee: Vokes Ltd
•
Filing: 1946-10-25
•
Granted: 1952-05-27
•
Expires: 1966-10-25
Abstract
No abstract record available.
Inventors
- 👤 Vokes Cecil Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:39
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/14; B01D29/00; B01D29/11; B01D29/13; B01D29/15; B01D29/50; B01D29/52; B01D29/54; B01D29/62; B01D29/64; B01D29/6469; B01D29/6476; B01D2201/00; B01D2201/18; B01D2201/182; Y; Y10; Y10S; Y10S210/00; Y10S210/13
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) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |