US2454213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming filter elements and the like
Assignee: DIESEL FILTER Co
•
Filing: 1944-05-15
•
Granted: 1948-11-16
•
Expires: 1964-05-15
Abstract
No abstract record available.
Inventors
- 👤 Sager Victor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:50
CPC Classifications
B; B65; B65H; B65H81/00; B65H81/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2194078A
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US2154081A
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US2304088A
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US2250560A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-16 | 1952-05-17 | 1952-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-16 | 1956-05-17 | 1956-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-16 | 1960-05-17 | 1960-11-16 | $7700.00 | Window Closed / Lapsed |