US2902165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter leaf and method of assembling it
Assignee: Multi-Metal Wire Cloth Co Inc
•
Filing: 1957-03-04
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Granted: 1959-09-01
•
Expires: 1977-03-04
Abstract
No abstract record available.
Inventors
- 👤 Imershein Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:52
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/39
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US445223A
Cited
US1323421A
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US1240385A
Cited
US1125762A
Cited
US1982924A
Cited
US2104473A
Cited
US2263853A
Cited
US2798614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |