Patent US1883646A successfully refreshed from Google Patents.
US3308554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drying cylinder
Assignee: Individual
•
Filing: 1966-06-22
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Granted: 1967-03-14
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Expires: 1986-06-22
Abstract
No abstract record available.
Inventors
- 👤 Overton Glen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:02
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/10; F26B13/14; F26B13/18; F26B13/183
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
IN A DRYER DRUM, A CYLINDRICAL SHELL, END HEADS CLOSING THE ENDS OF THE SHELL, JOURNALS ON SAID END HEADS FOR ROTATABLY SUPPORTING THE DRUM, A PIPE EXTENDING AXIALLY THROUGH THE JOURNALS ACROSS THE ENTIRE INTERIOR OF THE DRUM, A SECOND PIPE SURROUNDING SAID FIRST PIPE IN ONE OF SAID JOURNALS, A SYPHON TUBE IN THE DRUM DEPENDING FROM THE SECOND PIPE FOR REMOVING SPENT HEATING FLUID FROM THE BOTTOM OF THE DRUM, MEANS FOR INTRODUCING HEATING FLUID TO BOTH ENDS OF THE CENTRAL PIPE, A PLUG IN THE CENTRAL PIPE ADJACENT ONE END HEAD, AN OUTLET FOR THE CENTRAL PIPE BETWEEN THE PLUG AND THE ADJACENT END HEAD, A PLURALITY OF JET PIPES EXTENDING LONGITUDINALLY ACROSS THE INTERIOR OF THE DRUM CLOSELY ADJACENT THE SHELL, MEANS FOR SUPPLYING HEATING FLUID FROM THE CENTRAL PIPE TO THE JET PIPES AND MEANS FOR REGULATING HEATING FLUID FLOW TO THE OUTLET AND JET PIPES.
Claim 2
Dependent Claim
152 words
IN A DRYER DRUM, A CYLINDRICAL SHELL, END HEADS CLOSING THE ENDS OF THE SHELL, JOURNALS ON SAID END HEADS FOR ROTATABLY SUPPORTING THE DRUM, A PIPE EXTENDING AXIALLY THROUGH THE JOURNALS ACROSS THE ENTIRE INTERIOR OF THE DRUM, A SECOND PIPE SURROUNDING SAID FIRST PIPE IN ONE OF SAID JOURNALS, A SYPHON TUBE IN THE DRUM DEPENDING FROM THE SECOND PIPE FOR REMOVING SPENT HEATING FLUID FROM THE BOTTOM OF THE DRUM, MEANS FOR INTRODUCING HEATING FLUID TO BOTH ENDS OF THE CENTRAL PIPE, A PLUG IN THE CENTRAL PIPE ADJACENT ONE END HEAD, AN OUTLET FOR THE CENTRAL PIPE BETWEEN THE PLUG AND THE ADJACENT END HEAD, A PLURALITY OF JET PIPES EXTENDING LONGITUDINALLY ACROSS THE INTERIOR OF THE DRUM CLOSELY ADJACENT THE SHELL, MEANS FOR SUPPLYING HEATING FLUID FROM THE CENTRAL PIPE TO THE JET PIPES AND MEANS FOR REGULATING HEATING FLUID FLOW TO THE OUTLET AND JET PIPES.
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |