US2963744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter element and machine for making same
Assignee: MCINTIRE CO
•
Filing: 1956-06-13
•
Granted: 1960-12-13
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Expires: 1976-06-13
Abstract
No abstract record available.
Inventors
- 👤 Cooper Cullen Mcclay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:45
CPC Classifications
B; B01; B01D; B01D39/00; B01D39/14; B01D39/16; B01D39/1607; B01D39/1615; B01D2239/00; B01D2239/10; Y; Y10; Y10S; Y10S210/00; Y10S210/06; Y10S264/00; Y10S264/66
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US750235A
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US2146749A
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US1294018A
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US1571417A
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US1767078A
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US2576864A
Cited
US2516373A
Cited
US2521984A
Cited
US2555970A
Cited
US2582922A
Cited
US2731153A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |