US2966960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air filter
Assignee: Foamade Industries Inc
•
Filing: 1958-12-01
•
Granted: 1961-01-03
•
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 14:05
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CA543951A
Cited
US1499864A
Cited
US1560790A
Cited
US1892210A
Cited
US2027681A
Cited
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 |