US3262147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum cleaner
Assignee: Westinghouse Electric Corp
•
Filing: 1964-08-24
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Granted: 1966-07-26
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Expires: 1984-08-24
Abstract
No abstract record available.
Inventors
- 👤 Robert S Waters
- 👤 John W Gilliom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:20
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/28; A47L5/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
IN A VACUUM CLEANER HAVING A NOZZLE, THE IMPROVEMENT FOR ADJUSTING THE NOZZLE HEIGHT WITH RESPECT TO A SURFACE BEING CLEANED, SAID IMPROVEMENT COMPRISING: AN OFFSET LEVER HAVING A HORIZONTAL LEVER ARM AT ONE END AND ADPATED TO ROTATE ABOUT A VERTICAL AXIS, A CAM FIXED WITH RESPECT TO THE BOTTOM WALL OF THE CLEANER AND IN OPERATIVE ENGAGEMENT WITH SAID HORIZONTAL LEVER ARM, AN OFFSET AXLE HAVING A CENTRAL CRANK PORTION OPERATIVELY ENGAGING SAID HORIZONTAL LEVER ARM AT THE SIDE THEREOF OPPOSITE THE SIDE ENGAGED BY SAID CAM, MEANS FOR SECURING SAID OFFSET AXLE TO THE CLEANER HOUSING, AND BIAS MEANS INTERPOSED BETWEEN SAID CENTRAL CRANK PORTION AND SAID RETAINING MEANS FOR MAINTAINING ENGAGEMENT OF SAID LEVER ARM WITH SAID CAM AND SAID CENTRAL CRANK PORTION WITH SAID LEVER ARM.
Claim 2
Dependent Claim
131 words
IN A VACUUM CLEANER HAVING A NOZZLE, THE IMPROVEMENT FOR ADJUSTING THE NOZZLE HEIGHT WITH RESPECT TO A SURFACE BEING CLEANED, SAID IMPROVEMENT COMPRISING: AN OFFSET LEVER HAVING A HORIZONTAL LEVER ARM AT ONE END AND ADPATED TO ROTATE ABOUT A VERTICAL AXIS, A CAM FIXED WITH RESPECT TO THE BOTTOM WALL OF THE CLEANER AND IN OPERATIVE ENGAGEMENT WITH SAID HORIZONTAL LEVER ARM, AN OFFSET AXLE HAVING A CENTRAL CRANK PORTION OPERATIVELY ENGAGING SAID HORIZONTAL LEVER ARM AT THE SIDE THEREOF OPPOSITE THE SIDE ENGAGED BY SAID CAM, MEANS FOR SECURING SAID OFFSET AXLE TO THE CLEANER HOUSING, AND BIAS MEANS INTERPOSED BETWEEN SAID CENTRAL CRANK PORTION AND SAID RETAINING MEANS FOR MAINTAINING ENGAGEMENT OF SAID LEVER ARM WITH SAID CAM AND SAID CENTRAL CRANK PORTION WITH SAID LEVER ARM.
References Cited (Backward Citations)
US2107016A
Cited
US2730751A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |