Patent US3097383A successfully refreshed from Google Patents.
US3097383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sweeper
Assignee: Individual
•
Filing: —
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Granted: 1963-07-16
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Expires: 1980-07-16
Abstract
No abstract record available.
Inventors
- 👤 Charles H Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:10
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4052; A47L11/4055; A47L11/22; A47L11/32; A47L11/33; A47L11/4036; A47L11/4041; A47L11/4047; A47L11/4063; A47L11/4069; A47L11/4075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
A SWEEPER INCLUDING: A CASING HAVING AN OPENING AT ITS FRONT END AND HAVING ITS REAR END CLOSED, A BRUSH ROTATABLE IN SAID OPENING, FRONT WHEEL SUPPORTING SAID FRONT END, REAR WHEELS SUPPORTING SAID REAR END, INTERMEDIATE WHEELS WHICH ARE IN CONSTANT ENGAGEMENT WITH SURFACE TO BE CLEANED AND ON WHICH SAID CASING IS TILTABLE FORWARDLY, TO REST ON SAID FRONT WHEELS, OR REARWARDLY, TO REST ON SAID REAR WHEELS, A HANDLE PIVOTED TO SAID CASING, FORWARDLY OF THE AXIS OF SAID INTERMEDIATE WHEELS, WHEREBY A FORWARD PUSH ON SAID HANDLE DEPRESSES SAID FRONT WHEELS INTO ENGAGEMENT WITH THE SURFACE TO BE CLEANED AND RAISES THE REAR WHEELS OUT OF ENGAGEMENT WITH SAID SURFACE, AND WHEREBY A REARWARD PULL ON SAID HANLE RAISES SAID FRONT WHEELS OUT OF ENGAGEMENT WITH SAID SURFACE AND DEPRESSES SAID REAR WHEELS INTO ENGAGEMENT WITH SAID SURFACE TO PERMIT CONTINUED ROTATION OF SAID BRUSH BY MOMENTUM, AND ACTUATING MEANS OPERATIVELY CONNECTING SAID BRUSH WITH SAID FRONT WHEELS TO ROTATE THE BRUSH IN A DIRECTION OPPOSITE TO THE DIRECTION OF THE FORWARD MOVEMENT OF SAID SWEEPER.
Claim 2
Dependent Claim
180 words
A SWEEPER INCLUDING: A CASING HAVING AN OPENING AT ITS FRONT END AND HAVING ITS REAR END CLOSED, A BRUSH ROTATABLE IN SAID OPENING, FRONT WHEEL SUPPORTING SAID FRONT END, REAR WHEELS SUPPORTING SAID REAR END, INTERMEDIATE WHEELS WHICH ARE IN CONSTANT ENGAGEMENT WITH SURFACE TO BE CLEANED AND ON WHICH SAID CASING IS TILTABLE FORWARDLY, TO REST ON SAID FRONT WHEELS, OR REARWARDLY, TO REST ON SAID REAR WHEELS, A HANDLE PIVOTED TO SAID CASING, FORWARDLY OF THE AXIS OF SAID INTERMEDIATE WHEELS, WHEREBY A FORWARD PUSH ON SAID HANDLE DEPRESSES SAID FRONT WHEELS INTO ENGAGEMENT WITH THE SURFACE TO BE CLEANED AND RAISES THE REAR WHEELS OUT OF ENGAGEMENT WITH SAID SURFACE, AND WHEREBY A REARWARD PULL ON SAID HANLE RAISES SAID FRONT WHEELS OUT OF ENGAGEMENT WITH SAID SURFACE AND DEPRESSES SAID REAR WHEELS INTO ENGAGEMENT WITH SAID SURFACE TO PERMIT CONTINUED ROTATION OF SAID BRUSH BY MOMENTUM, AND ACTUATING MEANS OPERATIVELY CONNECTING SAID BRUSH WITH SAID FRONT WHEELS TO ROTATE THE BRUSH IN A DIRECTION OPPOSITE TO THE DIRECTION OF THE FORWARD MOVEMENT OF SAID SWEEPER.
References 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) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |