Air cleaner
Abstract
Abstract 900,746. Purifying charges. MASSEYFERGUSON Inc. Oct. 16, 1959 [Oct. 30, 1958], No. 35050/59. Class 7(2) [Also in Group XXVIII] An air cleaner for i/c engines comprises an initial oil bath separator 23, 24, through which the incoming air bubbles, flowing freely and entering from the lower end 22 of a pipe 21, connected to the intake 16; thence up and through an annular wide mesh filter 31 of labyrinthian structure soaked in oil, passing on through the housing 15 to a filter 40 comprising an annular pleated paper filter 41 between screens 45, 46 and therethrough to the engine. The filter unit 40 is removable from housing 15 and retained and sealed therein by cover 44, grommet 56, wingnut 61 and seals 51, 52. The threaded stud 57 over which the grommet is pushed, is fixed to a sloped bracket 58 anchored to the housing 15. The cap 24 may be released, for disposal of the dirty oil 23, by releasing the perpherial band 25.
Inventors
- 👤 Herman G Klemm
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-12 | 1964-12-12 | 1965-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-12 | 1968-12-12 | 1969-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-12 | 1972-12-12 | 1973-06-13 | $7700.00 | Window Closed / Lapsed |