Patent US3170186A successfully refreshed from Google Patents.
US3170186A
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Cleaning device
Assignee: Individual
•
Filing: 1963-09-04
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Granted: 1965-02-23
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Expires: 1983-09-04
Abstract
No abstract record available.
Inventors
- 👤 Albert J Kramer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:51
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/408; A47L11/4088; A47L11/32; A47L11/325; A47L11/4036; A47L11/4052; A47L11/4058; A47L11/4083
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A SURFACE CLEANING DEVICE COMPRISING A TANK FOR HOLDING A CLEANING LIQUID, MEANS FOR DISCHARGING LIQUID IN THE TANK ONTO A SURFACE TO BE CLEANED, SAID MEANS INCLUDING A HOLLOW RIGID MEMBER CONNECTED TO THE TANK, SAID MEMBER HAVING OUTLET OPENINGS, A BRUSH MOUNTED ON THE TANK INDEPENDENTLY OF AND SPACED FROM THE RIGID MEMBER FOR CONTACTING THE SURFACE TO BE CLEANED, MEANS FOR MOVABLY SUPPORTING THE TANK AND RIGID MEMBER TO CAUSE CONTINUOUS AND SIMULTANEOUS CONTACT OF THE OPENINGS AND BRUSH WITH THE SURFACE.
Claim 2
Dependent Claim
85 words
A SURFACE CLEANING DEVICE COMPRISING A TANK FOR HOLDING A CLEANING LIQUID, MEANS FOR DISCHARGING LIQUID IN THE TANK ONTO A SURFACE TO BE CLEANED, SAID MEANS INCLUDING A HOLLOW RIGID MEMBER CONNECTED TO THE TANK, SAID MEMBER HAVING OUTLET OPENINGS, A BRUSH MOUNTED ON THE TANK INDEPENDENTLY OF AND SPACED FROM THE RIGID MEMBER FOR CONTACTING THE SURFACE TO BE CLEANED, MEANS FOR MOVABLY SUPPORTING THE TANK AND RIGID MEMBER TO CAUSE CONTINUOUS AND SIMULTANEOUS CONTACT OF THE OPENINGS AND BRUSH WITH THE SURFACE.
References Cited (Backward Citations)
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Cited
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US1943606A
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US2153457A
Cited
US2975462A
Cited
US3052911A
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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) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |