US3087198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rollers for film quench bath
Assignee: Phillips Petroleum Co
•
Filing: 1960-07-08
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Granted: 1963-04-30
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Expires: 1980-07-08
Abstract
No abstract record available.
Inventors
- 👤 Harold L Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:20
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/88; B29C48/919; B29C48/03; B29C48/07; B29C48/08; B29C48/911
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
IN A FILM QUENCH BATH THE IMPROVEMENT COMPRISING AN IMPERFORATE TUBULAR ROLLER HAVING A SMOOTH EXTERIOR SURFACE FROM END TO END AND WITH BOTH ENDS OPEN, SAID ROLLER BEING HORIZONTALLY POSITIONED TO RECEIVE AND TO GUIDE EXTRUDED FILM PASSING THROUGH THE QUENCH BATH, SAID ROLLER HAVING AT LEAST ONE IMPELLER, SAID AT LEAST ONE IMPELLER BEING POSITIONED ONLY AT AN END OF AND WITHIN SAID TUBULAR ROLLER, SAID AT LEAST ONE IMPELLER BEING FIXED TO THE INNER SURFACE OF THE TUBULAR ROLLER AND BEING ROTATABLE THEREWITH, THE AXIS OF SAID AT LEAST ONE IMPELLER COINCIDING WITH THE AXIS OF SAID ROLLER, AND SAID AT LEAST ONE IMPELLER BEING ADAPTED UPON ROTATION OF SAID ROLLER TO PROPEL QUENCH LIQUID INTO ONE END OF SAID ROLLER AND OUT FROM THE OTHER END.
Claim 2
Dependent Claim
130 words
IN A FILM QUENCH BATH THE IMPROVEMENT COMPRISING AN IMPERFORATE TUBULAR ROLLER HAVING A SMOOTH EXTERIOR SURFACE FROM END TO END AND WITH BOTH ENDS OPEN, SAID ROLLER BEING HORIZONTALLY POSITIONED TO RECEIVE AND TO GUIDE EXTRUDED FILM PASSING THROUGH THE QUENCH BATH, SAID ROLLER HAVING AT LEAST ONE IMPELLER, SAID AT LEAST ONE IMPELLER BEING POSITIONED ONLY AT AN END OF AND WITHIN SAID TUBULAR ROLLER, SAID AT LEAST ONE IMPELLER BEING FIXED TO THE INNER SURFACE OF THE TUBULAR ROLLER AND BEING ROTATABLE THEREWITH, THE AXIS OF SAID AT LEAST ONE IMPELLER COINCIDING WITH THE AXIS OF SAID ROLLER, AND SAID AT LEAST ONE IMPELLER BEING ADAPTED UPON ROTATION OF SAID ROLLER TO PROPEL QUENCH LIQUID INTO ONE END OF SAID ROLLER AND OUT FROM THE OTHER END.
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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) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |