Patent US5453888A successfully refreshed from Google Patents.
Patent US3328898A successfully refreshed from Google Patents.
US3328898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Directional attack reading machine
Assignee: Individual
•
Filing: 1965-10-13
•
Granted: 1967-07-04
•
Expires: 1985-10-13
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Raba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:48
CPC Classifications
G; G09; G09B; G09B17/00; G09B17/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
A DIRECTIONAL ATTACK READING MACHINE, COMPRISING, IN COMBINATION, A BASE HAVING A PLATFORM, A HOUSING MOUNTED ON SAID BASE AND HAVING SIDE SUPPORTS, AND A CROSSPLATE CONNECTED TO SAID SUPPORTS AND AGAINST WHICH A BOOK MAY BE PLACED FOR READING, A SPRING-LOADED VERTICAL ROLLER EXTENDING REARWARDLY FROM EACH OF SAID SUPPORTS, A FLOATING ROLLER MOUNTING EXTENDING FORWARDLY FROM EACH OF SAID SUPPORTS, A VERTICAL ROLLER PIVOTED IN EACH OF SAID ROLLER MOUNTINGS, AT LEAST ONE STATIONARY VERTICAL ROLLER MOUNTED ON SAID PLATFORM BEHIND SAID CROSSPLATE, A MOTOR MOUNTED ON SAID PLATFORM AND DESIGNED TO DRIVE SAID STATIONARY ROLLER, AT LEAST ONE CROSSPIECE CONNECTING SAID PAIR OF FLOATING ROLLER MOUNTINGS, A VIEWING PLATE MOUNTED ON SAID CROSSPIECE AND DESIGNED TO COVER AND PRESS AGAINST AT LEAST A PORTION OF A BOOK PLACED ON SAID CROSSPLATE, AND ENDLESS STRIP MOUNTED AROUND SAID ROLLERS IN A MANNER SUCH THAT IT IS ROTATED IN READING DIRECTION ACROSS A PASSAGE OF A BOOK PLACED ON SAID CROSSPLATE, SAID STRIP HAVING A STEPPED OPAQUE AND TRANSPARENT AREA OF STEP LENGTH AND HEIGHT ADEQUATE TO COVER SEQUENTIALLY EACH LINE OF A PAGE BEING READ, SWITCHING MEANS FOR SAID MOTOR, AND SPEED CONTROL MEANS FOR SAID MOTOR.
Claim 2
Dependent Claim
199 words
A DIRECTIONAL ATTACK READING MACHINE, COMPRISING, IN COMBINATION, A BASE HAVING A PLATFORM, A HOUSING MOUNTED ON SAID BASE AND HAVING SIDE SUPPORTS, AND A CROSSPLATE CONNECTED TO SAID SUPPORTS AND AGAINST WHICH A BOOK MAY BE PLACED FOR READING, A SPRING-LOADED VERTICAL ROLLER EXTENDING REARWARDLY FROM EACH OF SAID SUPPORTS, A FLOATING ROLLER MOUNTING EXTENDING FORWARDLY FROM EACH OF SAID SUPPORTS, A VERTICAL ROLLER PIVOTED IN EACH OF SAID ROLLER MOUNTINGS, AT LEAST ONE STATIONARY VERTICAL ROLLER MOUNTED ON SAID PLATFORM BEHIND SAID CROSSPLATE, A MOTOR MOUNTED ON SAID PLATFORM AND DESIGNED TO DRIVE SAID STATIONARY ROLLER, AT LEAST ONE CROSSPIECE CONNECTING SAID PAIR OF FLOATING ROLLER MOUNTINGS, A VIEWING PLATE MOUNTED ON SAID CROSSPIECE AND DESIGNED TO COVER AND PRESS AGAINST AT LEAST A PORTION OF A BOOK PLACED ON SAID CROSSPLATE, AND ENDLESS STRIP MOUNTED AROUND SAID ROLLERS IN A MANNER SUCH THAT IT IS ROTATED IN READING DIRECTION ACROSS A PASSAGE OF A BOOK PLACED ON SAID CROSSPLATE, SAID STRIP HAVING A STEPPED OPAQUE AND TRANSPARENT AREA OF STEP LENGTH AND HEIGHT ADEQUATE TO COVER SEQUENTIALLY EACH LINE OF A PAGE BEING READ, SWITCHING MEANS FOR SAID MOTOR, AND SPEED CONTROL MEANS FOR SAID MOTOR.
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) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |