US3064820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter cartridges
Assignee: MARINE MIDLAND BANK NA
•
Filing: 1958-06-27
•
Granted: 1962-11-20
•
Expires: 1978-06-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Thomas J Gillick
- 👤 Arthur C Wrotnowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:20
CPC Classifications
B; B01; B01D; B01D39/00; B01D39/14; B01D39/16; B01D39/1607; B01D39/1623
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CA537144A
Cited
US2148708A
Cited
US2426405A
Cited
US2457122A
Cited
US2548584A
Cited
US2731152A
Cited
US2672674A
Cited
US2800232A
Cited
US2781913A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |