US3176649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Duplex coating machine
Assignee: Boston Machine Works Co
•
Filing: 1962-02-07
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Granted: 1965-04-06
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Expires: 1982-02-07
Abstract
No abstract record available.
Inventors
- 👤 George W Heiseler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:08
CPC Classifications
A; A43; A43D; A43D25/00; A43D25/18; A43D25/181
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A COATING MACHINE COMPRISING A RECEPTACLE FOR A POOL OF LIQUID CEMENT, A HORIZONTAL LOWER ROLL EXTENDING INTO SAID RECEPTACLE FOR PARTIAL IMMERSION IN SAID POOL, A HORIZONTAL UPPER ROLL ABOVE SPACED FROM SAID LOWER ROLL, MEANS FOR SUPPORTING AND ROTATING SAID ROLLS IN OPPOSITE DIRECTIONS, AND MEANS OPERATING WHEN THE ROLLS ARE ROTATING TO RAISE CEMENT FROM SAID POOL AND TO APPLY CEMENT TO A LIMITED END PORTION OF THE SURFACE OF SAID UPPER ROLL ON THE RISING SIDE THEREOF, AND MEANS ON THE DESCENDING SIDE OF SAID UPPER ROLL FOR PROPELLING SOME OF THE CEMENT CARRIED BY SAID END PORTION TOWARD THE OTHER END OF THE UPPER ROLL, WHEREBY TO DISTRIBUTE CEMENT FROM THE POOL ALONG THE SURFACE OF SAID UPPER ROLL.
Claim 2
Dependent Claim
124 words
A COATING MACHINE COMPRISING A RECEPTACLE FOR A POOL OF LIQUID CEMENT, A HORIZONTAL LOWER ROLL EXTENDING INTO SAID RECEPTACLE FOR PARTIAL IMMERSION IN SAID POOL, A HORIZONTAL UPPER ROLL ABOVE SPACED FROM SAID LOWER ROLL, MEANS FOR SUPPORTING AND ROTATING SAID ROLLS IN OPPOSITE DIRECTIONS, AND MEANS OPERATING WHEN THE ROLLS ARE ROTATING TO RAISE CEMENT FROM SAID POOL AND TO APPLY CEMENT TO A LIMITED END PORTION OF THE SURFACE OF SAID UPPER ROLL ON THE RISING SIDE THEREOF, AND MEANS ON THE DESCENDING SIDE OF SAID UPPER ROLL FOR PROPELLING SOME OF THE CEMENT CARRIED BY SAID END PORTION TOWARD THE OTHER END OF THE UPPER ROLL, WHEREBY TO DISTRIBUTE CEMENT FROM THE POOL ALONG THE SURFACE OF SAID UPPER ROLL.
References Cited (Backward Citations)
US198642A
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US437435A
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US890221A
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US936472A
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US1198655A
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US1143385A
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US2199228A
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US2352720A
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US2598717A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |