US2599604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter element
Assignee: Individual
•
Filing: 1949-07-13
•
Granted: 1952-06-10
•
Expires: 1969-07-13
Abstract
No abstract record available.
Inventors
- 👤 Jordan V Bauer
- 👤 Russell H Curtis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:42
CPC Classifications
B; B01; B01D; B01D25/00; B01D25/001; B01D25/22; B01D25/24; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1016
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US425431A
Cited
US1872430A
Cited
US2210397A
Cited
US2196821A
Cited
GB535153A
Cited
FR880486A
Cited
US2427733A
Cited
US2502545A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-10 | 1955-12-10 | 1956-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-10 | 1959-12-10 | 1960-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-10 | 1963-12-10 | 1964-06-10 | $7700.00 | Window Closed / Lapsed |