Canister vacuum cleaner
Abstract
Abstract A VACUUM CLEANER OF THE CANISTER VARIETY FOR DOMESTIC USE HAVING LOWER AND UPPER HOUSINGS SECURED TOGETHER BY U-SHAPED CLIPS, AND AN INTERMEDIATE HOUSING. BETWEEN THE UPPER AND INTERMEDIATE HOUSINGS IS DISPOSED A HOSE STORAGE COMPARTMENT WITHIN WHICH THE HOSE IS RETRACTED AND STORED BY A HOSE REEL MECHANISM UPON DEPRESSION OF A FOOT PEDAL. A DUST BAG, LOCATED WITHIN THE VACUUM CHAMBER BETWEEN THE INTERMEDIATE AND LOWER HOUSING, IS ATTACHED TO A BRACKET ON AN ACCESS DOOR LOCATED AT THE BOTTOM OF THE LOWER HOUSING. TO CHANGE THE FILTER BAG, AND A PAIR OF SECONDARY FILTERS WHICH ARE ALSO REMOVABLY MOUNTED ON THE DOOR, THE CLEANER IS SET ON END AND THE ACCESS DOOR OPENED TO A TABLE-LIKE POSITION. A FRONT PANEL, MOUNTED ON THE INTERMEDIATE HOUSING AND SECURED TO THE LOWER HOUSING, OPERABLY MOUNTS THE HOSE RETRACTION PEDAL, THE POWER SWITCH PEDAL, THE SUCTION/BLOWER LEVERS AND A FILTER BAG CHANGE INDICATOR. ALSO DISCLOSED IS A SELECTIVELY OPERABLE LEVER CONTROLLED SLIDE VALVE FOR CONVERTING THE CLEANER FROM SUCTION TO BLOWER OPERATION AND VICE VERSA.
Inventors
- 👤 Charles T Fromknecht
- 👤 Martin E Harbeck
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-28 | 1974-12-28 | 1975-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-28 | 1978-12-28 | 1979-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-28 | 1982-12-28 | 1983-06-29 | $7700.00 | Window Closed / Lapsed |