US3189369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fan-fold book
Assignee: —
•
Filing: —
•
Granted: 1965-06-15
•
Expires: 1982-06-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:51
CPC Classifications
B; B42; B42D; B42D1/00; B42D1/003; B42D1/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A FAN-FOLD BOOK COMPRISING: (A) A CORE OF FAN-FOLDED PAGES, AND (B) A COVER HAVING AN INTERMEDIATE FLEXIBLE PORTION TO ENCLOSE AT LEAST THE OPPOSITE SIDES OF SAID CORE AND ONE EDGE THEREOF, (C) THE END PAGES OF SAID CORE BEIG CONNECTED EACH TO AN OPPOSITE INNER FACE OF THE COVER, AND (D) THE WIDTH ACROSS TWO CONNECTED PAGES OF THE CORE BEING LESS THAN THE DISTANCE BETWEEN THE END FOLDS OF SAID CORE WHEN THE SAME IS OPENED OUT ON AN INTERMEDIATE HINGE.
Claim 2
Dependent Claim
84 words
A FAN-FOLD BOOK COMPRISING: (A) A CORE OF FAN-FOLDED PAGES, AND (B) A COVER HAVING AN INTERMEDIATE FLEXIBLE PORTION TO ENCLOSE AT LEAST THE OPPOSITE SIDES OF SAID CORE AND ONE EDGE THEREOF, (C) THE END PAGES OF SAID CORE BEIG CONNECTED EACH TO AN OPPOSITE INNER FACE OF THE COVER, AND (D) THE WIDTH ACROSS TWO CONNECTED PAGES OF THE CORE BEING LESS THAN THE DISTANCE BETWEEN THE END FOLDS OF SAID CORE WHEN THE SAME IS OPENED OUT ON AN INTERMEDIATE HINGE.
References Cited (Backward Citations)
US2155327A
Cited
US1531065A
Cited
US2048259A
Cited
GB473939A
Cited
FR827100A
Cited
US2617665A
Cited
US2722434A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |