Patent US3411518A successfully refreshed from Google Patents.
US3411518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning device and structural members
Assignee: Reading Co
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Filing: 1966-11-23
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Granted: 1968-11-19
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Expires: 1986-11-23
Abstract
No abstract record available.
Inventors
- 👤 Franklin G Fisher
- 👤 Sr Luther L Bollinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:42
CPC Classifications
B; B60; B60S; B60S3/00; B60S3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
IN A CLEANING DEVICE FOR STRUCTURAL MEMBERS A HOUSING INCLUDING AT THE BOTTOM THEREOF A SUMP, CONVEYOR MEANS EXTENDING HORIZONTALLY THROUGH THE HOUSING AND HAVING MEANS THEREON FOR MOUNTING A SUCCESSION OF STRUCTURAL MEMBERS TO BE CLEANED, SAID STRUCTURAL MEMBERS INCLUDING EXTERIOR SURFACES TO BE CLEANED AND A HOLLOW INTERIOR TO BE CLEANED, SAID HOLLOW INTERIOR BEING OPEN FROM ABOVE, MEANS FOR ADVANCING THE CONVEYOR AND STRUCTURAL MEMBERS TO RESPECTIVE STATIONS INSIDE THE HOUSING, SPRAY MEANS IN THE HOUSING FOR APPLYING LIQUID SPRAY
Claim 2
Dependent Claim
83 words
IN A CLEANING DEVICE FOR STRUCTURAL MEMBERS A HOUSING INCLUDING AT THE BOTTOM THEREOF A SUMP, CONVEYOR MEANS EXTENDING HORIZONTALLY THROUGH THE HOUSING AND HAVING MEANS THEREON FOR MOUNTING A SUCCESSION OF STRUCTURAL MEMBERS TO BE CLEANED, SAID STRUCTURAL MEMBERS INCLUDING EXTERIOR SURFACES TO BE CLEANED AND A HOLLOW INTERIOR TO BE CLEANED, SAID HOLLOW INTERIOR BEING OPEN FROM ABOVE, MEANS FOR ADVANCING THE CONVEYOR AND STRUCTURAL MEMBERS TO RESPECTIVE STATIONS INSIDE THE HOUSING, SPRAY MEANS IN THE HOUSING FOR APPLYING LIQUID SPRAY
References Cited (Backward Citations)
US1734585A
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US1933412A
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US2193957A
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US2318524A
Cited
US2490765A
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US2972995A
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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) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |