US3076492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for removing the curl from sheets
Assignee: Standard Packaging Corp
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Filing: 1959-10-30
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Granted: 1963-02-05
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Expires: 1979-10-30
Abstract
No abstract record available.
Inventors
- 👤 Frank E Monks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:18
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/04; B65H23/24; B65H23/245; B21; B21D; B21D1/00; B65H23/34; B65H2301/00; B65H2301/50; B65H2301/51; B65H2301/512; B65H2301/5125; B65H2301/51256
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
APPARATUS FOR REMOVING CURL FROM SHEETS COMPRISING MEANS FOR GRIPPING THE LEADING EDGE OF A SHEET, AN OPEN REVERSE-BENDING SUCTION TROUGH EXTENDING TRANSVERSELY OF SAID SHEET AND WIDE ENOUGH TO INSURE THAT A PORTION OF SAID SHEET WILL BE DRAWN INTO THE TROUGH TO IMPART A REVERSE CURVATURE THERETO WHILE SAID PORTION OF THE SHEET IS WITHIN THE TROUGH, AND MEANS FOR PRODUCING CONTINUOUS RELATIVE MOVEMENT BETWEEN THE GRIPPING MEANS AND THE REVERSE-BENDING SUCTION TROUGH TO DRAW THE SHEET PROGRESSIVELY ACROSS THE TROUGH FROM THE LEADING END OF THE SHEET TO THE TRAILING END THEREOF.
Claim 2
Dependent Claim
95 words
APPARATUS FOR REMOVING CURL FROM SHEETS COMPRISING MEANS FOR GRIPPING THE LEADING EDGE OF A SHEET, AN OPEN REVERSE-BENDING SUCTION TROUGH EXTENDING TRANSVERSELY OF SAID SHEET AND WIDE ENOUGH TO INSURE THAT A PORTION OF SAID SHEET WILL BE DRAWN INTO THE TROUGH TO IMPART A REVERSE CURVATURE THERETO WHILE SAID PORTION OF THE SHEET IS WITHIN THE TROUGH, AND MEANS FOR PRODUCING CONTINUOUS RELATIVE MOVEMENT BETWEEN THE GRIPPING MEANS AND THE REVERSE-BENDING SUCTION TROUGH TO DRAW THE SHEET PROGRESSIVELY ACROSS THE TROUGH FROM THE LEADING END OF THE SHEET TO THE TRAILING END THEREOF.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |