Patent US3269893A successfully refreshed from Google Patents.
US3269893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for making extensible paper
Assignee: Black Clawson Co
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Filing: 1963-12-17
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Granted: 1966-08-30
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Expires: 1983-12-17
Abstract
No abstract record available.
Inventors
- 👤 Walter E Rojecki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:40
CPC Classifications
D; D21; D21H; D21H5/00; D21H5/24; D21H5/245; D21H25/00; D21H25/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A PRESS ASSEMBLY FOR USE IN THE PREPARATION OF EXTENSIBLE PAPER, COMPRISING A PRESS ROLL, AN INFLATABLE ROLL OF SUBSTANTIALLY THE SAME LENGTH AS SAID PRESS ROLL HAVING A CIRCUMFERENTIAL OUTER FACE PORTION OF RESILIENT MATERIAL FORMING A BLANKET OF SUBSTANTAIL THICKNESS, MEANS MOUNTING SAID ROLLS WITH THE AXES THEREFORE IN PREDETERMINED PARALLEL AND CLOSELY SPACED RELATION CAUSING SAID PRESS ROLL TO DEFORM A PORTION OF SAID BLANKET INTO LAPPING RELATION WITH A CORRESPONDING AREA OF THE SURFACE OF SAID FIRST ROLL, MEANS WITHIN SAID INFLATABLE ROLL FOR COMPRESSING ONE END OF SAID DEFORMED BLANKET PORTION THEREOF AGAINST SAID PRESS ROLL TO FORM A PRESSURE NIP, MEANS FOR CAUSING SAID ROLLS TO ROTATE IN THE DIRECTION TO CAUSE A PAPER WEB TO TRAVEL THROUGH SAID NIP AND THEN BETWEEN SAID DEFORMED BLANKET PORTION AND SAID PRESS ROLL.
Claim 2
Dependent Claim
137 words
A PRESS ASSEMBLY FOR USE IN THE PREPARATION OF EXTENSIBLE PAPER, COMPRISING A PRESS ROLL, AN INFLATABLE ROLL OF SUBSTANTIALLY THE SAME LENGTH AS SAID PRESS ROLL HAVING A CIRCUMFERENTIAL OUTER FACE PORTION OF RESILIENT MATERIAL FORMING A BLANKET OF SUBSTANTAIL THICKNESS, MEANS MOUNTING SAID ROLLS WITH THE AXES THEREFORE IN PREDETERMINED PARALLEL AND CLOSELY SPACED RELATION CAUSING SAID PRESS ROLL TO DEFORM A PORTION OF SAID BLANKET INTO LAPPING RELATION WITH A CORRESPONDING AREA OF THE SURFACE OF SAID FIRST ROLL, MEANS WITHIN SAID INFLATABLE ROLL FOR COMPRESSING ONE END OF SAID DEFORMED BLANKET PORTION THEREOF AGAINST SAID PRESS ROLL TO FORM A PRESSURE NIP, MEANS FOR CAUSING SAID ROLLS TO ROTATE IN THE DIRECTION TO CAUSE A PAPER WEB TO TRAVEL THROUGH SAID NIP AND THEN BETWEEN SAID DEFORMED BLANKET PORTION AND SAID PRESS ROLL.
References Cited (Backward Citations)
FR1313593A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |