Patent US2977271A successfully refreshed from Google Patents.
US2977271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making laminated protective book cover
Assignee: Individual
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Filing: 1956-12-31
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Granted: 1961-03-28
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Expires: 1976-12-31
Abstract
No abstract record available.
Inventors
- 👤 Wilton J Lutwack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:59
CPC Classifications
B; B42; B42C; B42C7/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1034; Y10T156/1052; Y10T156/1062; Y10T156/1066; Y10T156/1089; Y10T156/1092; Y10T156/1093; Y10T156/1095; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1734; Y10T156/1739
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
250 words
THE METHOD OF MAKING LAMINATED PROTECTIVE BOOK COVERS ADAPTED TO FOLD AROUND THE BACK AND COVERS OF A BOOK AND HAVING TRANSPARENT CENTERS THROUGH WHICH THE BACK OF THE BOOK IS VISIBLE, WHICH COMPRISES ARRANGING A SUCCESSION OF INDIVIDUAL DISCONNECTED RECTANGULAR PAPER SHEETS IN CENTERED RELATION IN A ROW WITH THEIR ADVANCING AND TRAILING EDGES IN EDGE-TO-EDGE ABUTTING RELATION WITH ONE ANOTHER, MOVING SAID ROW LONGITUDINALLY, CUTTING THE SHEETS IN SAID MOVING ROW ALONG A LINE EXTENDING LENGTHWISE OF SAID ROW TO PROVIDE TWO MOVING ROWS OF SECTIONS OF SAID INDIVIDUAL DISCONNECTED PAPER SHEETS, SEPARATING SAID TWO MOVING ROWS OF SECTIONS BODILY APART TO PROVIDE A SPACE THEREBETWEEN OF PREDETERMINED WIDTH AND BOUNDED BY OPPOSING EDGES OF SAID TWO ROWS, APPLYING A TRANSPARENT ADHESIVE TO SUBSTANTIALLY THE ENTIRE SURFACE OF ONE FACE OF A RELATIVELY WIDE FIRST STRIP OF TRANSPARENT SHEET MATERIAL, MOVING SAID FIRST STRIP LONGITUDINALLY ALONG WITH AND IN FACE-TO-FACE CONTACT OF ITS SAID ONE FACE WITH SAID TWO ROWS OF SECTIONS AND WITH THE LONGITUDINAL CENTRAL PORTION OF SAID FIRST STRIP BRIDGING SAID SPACE AND BEING PROVIDED WITH SAID ADHESIVE ON ITS SAID ONE FACE, MOVING A SECOND RELATIVELY NARROW STRIP OF TRANSPARENT MATERIAL LONGITUDINALLY ALONG WITH AND IN FACE-TO-FACE CONTACT WITH SAID ONE FACE OF SAID FIRST STRIP ALONG SAID LONGITUDINAL CENTRAL PORTION THEREOF TO PROVIDE A DOUBLE THICKNESS OF TRANSPARENT MATERIAL AT SAID SPACE, AND TRANSVERSELY CUTTING BOTH OF SAID TRANSPARENT STRIPS ALONG THE ADVANCING AND TRAILING EDGES OF SAID SECTIONS OF SAID PAPER SHEETS.
Claim 2
Independent Claim
250 words
THE METHOD OF MAKING LAMINATED PROTECTIVE BOOK COVERS ADAPTED TO FOLD AROUND THE BACK AND COVERS OF A BOOK AND HAVING TRANSPARENT CENTERS THROUGH WHICH THE BACK OF THE BOOK IS VISIBLE, WHICH COMPRISES ARRANGING A SUCCESSION OF INDIVIDUAL DISCONNECTED RECTANGULAR PAPER SHEETS IN CENTERED RELATION IN A ROW WITH THEIR ADVANCING AND TRAILING EDGES IN EDGE-TO-EDGE ABUTTING RELATION WITH ONE ANOTHER, MOVING SAID ROW LONGITUDINALLY, CUTTING THE SHEETS IN SAID MOVING ROW ALONG A LINE EXTENDING LENGTHWISE OF SAID ROW TO PROVIDE TWO MOVING ROWS OF SECTIONS OF SAID INDIVIDUAL DISCONNECTED PAPER SHEETS, SEPARATING SAID TWO MOVING ROWS OF SECTIONS BODILY APART TO PROVIDE A SPACE THEREBETWEEN OF PREDETERMINED WIDTH AND BOUNDED BY OPPOSING EDGES OF SAID TWO ROWS, APPLYING A TRANSPARENT ADHESIVE TO SUBSTANTIALLY THE ENTIRE SURFACE OF ONE FACE OF A RELATIVELY WIDE FIRST STRIP OF TRANSPARENT SHEET MATERIAL, MOVING SAID FIRST STRIP LONGITUDINALLY ALONG WITH AND IN FACE-TO-FACE CONTACT OF ITS SAID ONE FACE WITH SAID TWO ROWS OF SECTIONS AND WITH THE LONGITUDINAL CENTRAL PORTION OF SAID FIRST STRIP BRIDGING SAID SPACE AND BEING PROVIDED WITH SAID ADHESIVE ON ITS SAID ONE FACE, MOVING A SECOND RELATIVELY NARROW STRIP OF TRANSPARENT MATERIAL LONGITUDINALLY ALONG WITH AND IN FACE-TO-FACE CONTACT WITH SAID ONE FACE OF SAID FIRST STRIP ALONG SAID LONGITUDINAL CENTRAL PORTION THEREOF TO PROVIDE A DOUBLE THICKNESS OF TRANSPARENT MATERIAL AT SAID SPACE, AND TRANSVERSELY CUTTING BOTH OF SAID TRANSPARENT STRIPS ALONG THE ADVANCING AND TRAILING EDGES OF SAID SECTIONS OF SAID PAPER SHEETS.
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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) | 1964-03-27 | 1964-09-26 | 1965-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-27 | 1968-09-26 | 1969-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-27 | 1972-09-26 | 1973-03-28 | $7700.00 | Window Closed / Lapsed |