Patent US3419147A successfully refreshed from Google Patents.
US3419147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for removing grease from cans and drums
Assignee: Crown By Products Co
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Filing: 1966-07-18
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Granted: 1968-12-31
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Expires: 1986-07-18
Abstract
No abstract record available.
Inventors
- 👤 Denis P Corby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:07
CPC Classifications
B; B08; B08B; B08B9/00; B08B9/08; B08B9/0804; B08B9/0813
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
APPARATUS FOR REMOVING GREASE FROM CANS, DRUMS AND THE LIKE COMPRISING IN COMBINATION: (A) A CAN RECEIVING DUMPER, (B) A CONVEYOR FOR RECEIVING CANS IN INVERTED CONDITION FROM SAID DUMPER AND FOR CONVEYING THEM ALONG A PREDETERMINED PATH, (C) A STEAM CHAMBER SURROUNDING SAID CONVEYOR FOR HEATING THE CANS AS THEY ARE CONVEYED ALONG SAID PREDETERMINED PATH, (D) STEAM JETS DISPOSED IN SAID CHAMBER FOR EJECTING JETS OF STEAM INTO THE INVERTED CANS FOR IMPINGEMENT AGAINST THE INNER WALLS THEREOF FOR REMOVING GREASE THEREFROM, AND (E) MEANS BELOW SAID CONVEYOR FOR RECEIVING THE CONTENTS OF SUCH CANS COMPRISING A SCREW FEED INCLUDING A TROUGH HAVING A PERFORATED BOTTOM FOR MOVING SOLIDS TO A POINT OF DISCHARGE, AND A SUMP TROUGH BELOW THE PERFORATED BOTTOM OF SAID SCREW FEED FOR RECEIVING GREASE AND FLUIDS THEREFROM.
Claim 2
Dependent Claim
134 words
APPARATUS FOR REMOVING GREASE FROM CANS, DRUMS AND THE LIKE COMPRISING IN COMBINATION: (A) A CAN RECEIVING DUMPER, (B) A CONVEYOR FOR RECEIVING CANS IN INVERTED CONDITION FROM SAID DUMPER AND FOR CONVEYING THEM ALONG A PREDETERMINED PATH, (C) A STEAM CHAMBER SURROUNDING SAID CONVEYOR FOR HEATING THE CANS AS THEY ARE CONVEYED ALONG SAID PREDETERMINED PATH, (D) STEAM JETS DISPOSED IN SAID CHAMBER FOR EJECTING JETS OF STEAM INTO THE INVERTED CANS FOR IMPINGEMENT AGAINST THE INNER WALLS THEREOF FOR REMOVING GREASE THEREFROM, AND (E) MEANS BELOW SAID CONVEYOR FOR RECEIVING THE CONTENTS OF SUCH CANS COMPRISING A SCREW FEED INCLUDING A TROUGH HAVING A PERFORATED BOTTOM FOR MOVING SOLIDS TO A POINT OF DISCHARGE, AND A SUMP TROUGH BELOW THE PERFORATED BOTTOM OF SAID SCREW FEED FOR RECEIVING GREASE AND FLUIDS THEREFROM.
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) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |