US3292535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective sleeve
Assignee: Triangle Publications Inc
•
Filing: 1964-08-21
•
Granted: 1966-12-20
•
Expires: 1984-08-21
Abstract
No abstract record available.
Inventors
- 👤 David A Cutler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:22
CPC Classifications
B; B41; B41F; B41F13/00; B41F13/08; B41F13/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
THE COMBINATION COMPRISING A PRINTING CYLINDER HAVING: A CYLINDRICAL PRINTING SURFACE AND AN END FACE, A SHAFT EXTENDING FROM SAID END FACE OF SAID CYLINDER FOR ROTATABLY SUPPORTING SAID CYLINDER, AND A PERIPHERAL RECESS IN SAID END FACE HAVING TWO OPPOSED WALLS, A PROTECTIVE SLEEVE OF A MATERIAL INERT TO ELECTROPLATING BATHS, PRINTING INKS, AND ETCHING SOLUTIONS, SAID SLEEVE HAVING: A CYLINDRICAL PORTION DISPOSED IN CLOSE FITTING RELATIONSHIP ON SAID SHAFT AND EXTENDING FROM SAID END FACE ALONG AN EXPOSED PORTION OF SAID SHAFT, A FLANGE PORTION COVERING SAID END FACE, AND A CYLINDRICAL EXTENSION EXTENDING FROM THE PERIPHERY OF SAID FLANGE PORTION, SAID CYLINDRICAL EXTENSION BEING DISPOSED AGAINST ONE OPPOSED WALL IN SAID PERIPHERAL RECESS, A LOCKING RING DISPOSED IN TIGHT-FITTING RELATIONSHIP AGAINST SAID CYLINDRICAL EXTENSION AND AGAINST THE OTHER OPPOSED WALL IN SAID PERIPHERAL RECESS TO SECURE SAID CYLINDRICAL EXTENSION WITHIN SAID RECESS TO FORM A LEAKPROOF SEAL, AND A SLINGER RING HAVING AN OVERHANGING LIP CLAMPING SAID CYLINDRICAL PORTION TIGHTLY TO SAID SHAFT TO FORM A LEAKPROOF SEAL.
Claim 2
Dependent Claim
171 words
THE COMBINATION COMPRISING A PRINTING CYLINDER HAVING: A CYLINDRICAL PRINTING SURFACE AND AN END FACE, A SHAFT EXTENDING FROM SAID END FACE OF SAID CYLINDER FOR ROTATABLY SUPPORTING SAID CYLINDER, AND A PERIPHERAL RECESS IN SAID END FACE HAVING TWO OPPOSED WALLS, A PROTECTIVE SLEEVE OF A MATERIAL INERT TO ELECTROPLATING BATHS, PRINTING INKS, AND ETCHING SOLUTIONS, SAID SLEEVE HAVING: A CYLINDRICAL PORTION DISPOSED IN CLOSE FITTING RELATIONSHIP ON SAID SHAFT AND EXTENDING FROM SAID END FACE ALONG AN EXPOSED PORTION OF SAID SHAFT, A FLANGE PORTION COVERING SAID END FACE, AND A CYLINDRICAL EXTENSION EXTENDING FROM THE PERIPHERY OF SAID FLANGE PORTION, SAID CYLINDRICAL EXTENSION BEING DISPOSED AGAINST ONE OPPOSED WALL IN SAID PERIPHERAL RECESS, A LOCKING RING DISPOSED IN TIGHT-FITTING RELATIONSHIP AGAINST SAID CYLINDRICAL EXTENSION AND AGAINST THE OTHER OPPOSED WALL IN SAID PERIPHERAL RECESS TO SECURE SAID CYLINDRICAL EXTENSION WITHIN SAID RECESS TO FORM A LEAKPROOF SEAL, AND A SLINGER RING HAVING AN OVERHANGING LIP CLAMPING SAID CYLINDRICAL PORTION TIGHTLY TO SAID SHAFT TO FORM A LEAKPROOF SEAL.
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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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |