Patent US3273532A successfully refreshed from Google Patents.
US3273532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface coating apparatus
Assignee: Barker Chemical Co
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Filing: 1963-10-30
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Granted: 1966-09-20
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Expires: 1983-10-30
Abstract
No abstract record available.
Inventors
- 👤 Brzuskiewicz John
- 👤 Presti Roy F Lo
- 👤 Ridenour Wayne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:19
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/12; E01C19/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
270 words
AN APPARATUS FOR APPLYING A HOT MELT OF COATING MATERIAL TO A SURFACE, COMPRISING A FRAME, DRIVING MEANS ON THE FRAME FOR DRIVING THE APPARATUS ALONG THE SURFACE TO BE COATED, SAID DRIVING MEANS COMPRISING A DRIVING MOTOR ON THE FRONT END OF THE FRAME AND DRIVING WHEELS POSITIONED TO THE REAR OF THE CENTER OF GRAVITY OF SAID APPARATUS AND ADAPTED TO ROLL ON THE SURFACE TO BE COATED, ADJUSTABLE GUIDING MEANS ON THE SAID FRONT END OF THE FRAME AND EXTENDING LATERALLY OF THE FRAME AND ADAPTED TO BEAR IN GUIDING ENGAGEMENT ON VERTICAL LATERAL JUSTING THE HEIGTH OF THE FRAME RELATIVE TO THE SURFACE TO SURFACES ALONG THE SURFACE TO BE COATED FOR GUIDING THE APPARATUS ALONG THE SURFACE TO BE COATED, FRAME HEIGHT ADJUSTING MEANS ON SAID FRONT END OF SAID FRAME FOR ADBE COATED AND COMPRISING A FRONT ROLLER MOUNTED ADJACENT THE FRONT OF THE FRAME AND ADAPTED TO ROLL ON THE SURFACE TO BE COATED AND SUPPORT SOME OF THE WEIGHT OF THE APPARATUS, AND MEANS CONNECTED TO SAID FRONT ROLLER FOR RAISING AND LOWERING THE FRONT ROLLER, WHEREBY WHEN THE FRONT ROLLER IS RAISED OR LOWERED, THE REAR OF THE FRAME IS LOWERED AND RAISED AS IT PIVOTS ABOUT THE DRIVING WHEELS, MEANS ADJACENT THE REAR END OF THE FRAME FOR HOLDING A SUPPLY OF HOT MELT TYPE COATING MATERIAL AND KEEPING IT MOLTEN AND FOR DELIVERING THE MOLTEN MATERIAL, AND MEANS ON THE REAR END OF THE FRAME FOR FORMING AND APPLYING A LAYER OF THE MOLTEN HOT MELT MATERIAL FROM THE HOLDING AND DELIVERING MEANS TO THE SURFACE TO BE COATED.
Claim 2
Independent Claim
270 words
AN APPARATUS FOR APPLYING A HOT MELT OF COATING MATERIAL TO A SURFACE, COMPRISING A FRAME, DRIVING MEANS ON THE FRAME FOR DRIVING THE APPARATUS ALONG THE SURFACE TO BE COATED, SAID DRIVING MEANS COMPRISING A DRIVING MOTOR ON THE FRONT END OF THE FRAME AND DRIVING WHEELS POSITIONED TO THE REAR OF THE CENTER OF GRAVITY OF SAID APPARATUS AND ADAPTED TO ROLL ON THE SURFACE TO BE COATED, ADJUSTABLE GUIDING MEANS ON THE SAID FRONT END OF THE FRAME AND EXTENDING LATERALLY OF THE FRAME AND ADAPTED TO BEAR IN GUIDING ENGAGEMENT ON VERTICAL LATERAL JUSTING THE HEIGTH OF THE FRAME RELATIVE TO THE SURFACE TO SURFACES ALONG THE SURFACE TO BE COATED FOR GUIDING THE APPARATUS ALONG THE SURFACE TO BE COATED, FRAME HEIGHT ADJUSTING MEANS ON SAID FRONT END OF SAID FRAME FOR ADBE COATED AND COMPRISING A FRONT ROLLER MOUNTED ADJACENT THE FRONT OF THE FRAME AND ADAPTED TO ROLL ON THE SURFACE TO BE COATED AND SUPPORT SOME OF THE WEIGHT OF THE APPARATUS, AND MEANS CONNECTED TO SAID FRONT ROLLER FOR RAISING AND LOWERING THE FRONT ROLLER, WHEREBY WHEN THE FRONT ROLLER IS RAISED OR LOWERED, THE REAR OF THE FRAME IS LOWERED AND RAISED AS IT PIVOTS ABOUT THE DRIVING WHEELS, MEANS ADJACENT THE REAR END OF THE FRAME FOR HOLDING A SUPPLY OF HOT MELT TYPE COATING MATERIAL AND KEEPING IT MOLTEN AND FOR DELIVERING THE MOLTEN MATERIAL, AND MEANS ON THE REAR END OF THE FRAME FOR FORMING AND APPLYING A LAYER OF THE MOLTEN HOT MELT MATERIAL FROM THE HOLDING AND DELIVERING MEANS TO THE SURFACE TO BE COATED.
References Cited (Backward Citations)
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US2589257A
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US2591502A
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US2763019A
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US3083390A
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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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |