Patent US2966960A successfully refreshed from Google Patents.
US2966960A
Expired / Lapsed
US
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Air filter
Assignee: Foamade Industries Inc
•
Filing: 1958-12-01
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Granted: 1961-01-03
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Expires: 1978-12-01
Abstract
No abstract record available.
Inventors
- 👤 Rochlin Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:53
CPC Classifications
F; F02; F02M; F02M35/00; F02M35/02; F02M35/024; B; B01; B01D; B01D46/00; B01D46/0084; B01D46/0091; B01D46/0093; B01D46/24; B01D46/2403; B01D46/2411; B01D50/00; B01D50/60; B01D2275/00; B01D2275/10; Y; Y10; Y10S; Y10S116/00; Y10S116/25; Y10S55/00; Y10S55/13; Y10S55/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA543951A
Cited
US1499864A
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US1560790A
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US1892210A
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US2027681A
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US2400076A
Cited
US2742160A
Cited
US2732031A
Cited
US2740525A
Cited
GB754834A
Cited
US2770241A
Cited
FR1159447A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-03 | 1964-07-04 | 1965-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-03 | 1968-07-04 | 1969-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-03 | 1972-07-04 | 1973-01-03 | $7700.00 | Window Closed / Lapsed |