US3087268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Book page turner for invalids' use
Assignee: Individual
•
Filing: 1961-06-29
•
Granted: 1963-04-30
•
Expires: 1981-06-29
Abstract
No abstract record available.
Inventors
- 👤 Gordon A Rice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:20
CPC Classifications
B; B42; B42D; B42D9/00; B42D9/04; B42D9/08; B42D9/088
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A BOOK PAGE TURNING DEVICE FOR INVALIDS'' USE, COMPRISING: (A) A BOOK REST MEMBER TILTED BACKWARD TO HOLD READING MATTER, HAVING AN ADJUSTABLY POSITIONED BOOK SUPPORTING LEDGE AND A WEDGE SHAPED MEMBER TO RAISE THE PAGES TO BE TURNED ABOVE THE PLANE OF SAID REST; (B) A CENTRAL POWER DRIVEN SHAFT PERPENDICULAR TO THE PLANE OF SAID BOOK REST MEMBER; (C) A PAGE TURNING DEVICE ADJUSTABLY POSITIONED ON SAID POWER DRIVEN SHAFT, HAVING A DISC OF TRANSPARENT MATERIAL FACILIATING READING THROUGH AND ABOVE THE LOWER PERIPHERY OF SAID DISC; (D) A SUBSTANTIALLY RADIAL SLOT IN SAID DISC TO ENGAGE AND ASSIST IN TURNING THE PAGE; (E) A PAGE PICK-UP UNIT, MOUNTED ON THE LEADING EDGE OF SAID SLOT AND COMPOSED OF A PIVOTED ARM SUBSTANTIALLY TANGENT TO SAID DISC WITH A FLEXIBLE, ARCUATE PICK-UP FINGER NORMALLY DISPOSED SUBSTANTIALLY ON THE OUTWARD PROJECTION OF SAID LEADING EDGE OF SAID SLOT,
Claim 2
Dependent Claim
149 words
A BOOK PAGE TURNING DEVICE FOR INVALIDS'' USE, COMPRISING: (A) A BOOK REST MEMBER TILTED BACKWARD TO HOLD READING MATTER, HAVING AN ADJUSTABLY POSITIONED BOOK SUPPORTING LEDGE AND A WEDGE SHAPED MEMBER TO RAISE THE PAGES TO BE TURNED ABOVE THE PLANE OF SAID REST; (B) A CENTRAL POWER DRIVEN SHAFT PERPENDICULAR TO THE PLANE OF SAID BOOK REST MEMBER; (C) A PAGE TURNING DEVICE ADJUSTABLY POSITIONED ON SAID POWER DRIVEN SHAFT, HAVING A DISC OF TRANSPARENT MATERIAL FACILIATING READING THROUGH AND ABOVE THE LOWER PERIPHERY OF SAID DISC; (D) A SUBSTANTIALLY RADIAL SLOT IN SAID DISC TO ENGAGE AND ASSIST IN TURNING THE PAGE; (E) A PAGE PICK-UP UNIT, MOUNTED ON THE LEADING EDGE OF SAID SLOT AND COMPOSED OF A PIVOTED ARM SUBSTANTIALLY TANGENT TO SAID DISC WITH A FLEXIBLE, ARCUATE PICK-UP FINGER NORMALLY DISPOSED SUBSTANTIALLY ON THE OUTWARD PROJECTION OF SAID LEADING EDGE OF SAID SLOT,
References Cited (Backward Citations)
US2526540A
Cited
US2885806A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |