US3184775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric carpet sweepers
Assignee: Electrolux Corp
•
Filing: 1962-05-22
•
Granted: 1965-05-25
•
Expires: 1982-05-22
Abstract
No abstract record available.
Inventors
- 👤 David F Downey
- 👤 John J Moughty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:21
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/02; A47L9/04; A47L9/0405; A47L9/0411; A47L11/00; A47L11/02; A47L11/20; A47L11/202; A47L11/32; A47L11/40; A47L11/4002; A47L11/4005; A47L11/4013; A47L11/4025; A47L11/4036; A47L11/4041; A47L11/4044; A47L11/4063; A47L11/4069; A47L11/4075; A47L11/4091; A47L11/4094; A47L9/0427; A47L9/0444
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN AN ELECTRIC CARPET SWEEPER, A HOLLOW BODY FORMED WITH A LOWER ELONGATED INLET OPENING ADAPTED TO BE MOVED OVER A SURFACE TO BE CLEANED, WALLS FORMING A DIRT-RECEIVING COMPARTMENT WITHIN SAID BODY AND COMMUNICATING WITH SAID OPENING, A BRUSH ROTATABLY MOUNTED IN SAID BODY AND EXTENDING THROUGH SAID OPENING WHEREBY ROTATION THEREOF SWEEPS DIRT FROM SAID SURFACE THROUGH SAID OPENING INTO SAID COMPARTMENT, AN ELECTRIC MOTOR FOR DRIVING SAID BRUSH, A RECHARGEABLE ELECTRIC BATTERY WITHIN SAID BODY FOR SUPPLYING CURRENT TO SAID MOTOR, CONDUIT MEANS FOR CONNECTING SAID COMPARTMENT TO AN ELECTRIC VACUUM CLEANER FOR REMOVING ACCUMULATED DIRT FROM THE COMPARTMENT AND FOR INDUCING FLOW OF AIR THROUGH SAID
Claim 2
Dependent Claim
110 words
IN AN ELECTRIC CARPET SWEEPER, A HOLLOW BODY FORMED WITH A LOWER ELONGATED INLET OPENING ADAPTED TO BE MOVED OVER A SURFACE TO BE CLEANED, WALLS FORMING A DIRT-RECEIVING COMPARTMENT WITHIN SAID BODY AND COMMUNICATING WITH SAID OPENING, A BRUSH ROTATABLY MOUNTED IN SAID BODY AND EXTENDING THROUGH SAID OPENING WHEREBY ROTATION THEREOF SWEEPS DIRT FROM SAID SURFACE THROUGH SAID OPENING INTO SAID COMPARTMENT, AN ELECTRIC MOTOR FOR DRIVING SAID BRUSH, A RECHARGEABLE ELECTRIC BATTERY WITHIN SAID BODY FOR SUPPLYING CURRENT TO SAID MOTOR, CONDUIT MEANS FOR CONNECTING SAID COMPARTMENT TO AN ELECTRIC VACUUM CLEANER FOR REMOVING ACCUMULATED DIRT FROM THE COMPARTMENT AND FOR INDUCING FLOW OF AIR THROUGH SAID
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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) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |