Patent US3190427A successfully refreshed from Google Patents.
US3190427A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ambulatory typewriter apparatus having only one driving means
Assignee: Pedersen Electronics
•
Filing: 1963-01-16
•
Granted: 1965-06-22
•
Expires: 1983-01-16
Abstract
No abstract record available.
Inventors
- 👤 Svend R Pedersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:29
CPC Classifications
B; B41; B41J; B41J3/00; B41J3/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
IN A TYPEWRITER OF THE TYPE WHICH IS ADAPTED TO MOVE OVER A PRINT-RECEIVING SURFACE, AND WHICH HAS A DRIVING POWER TRAIN INCLUDING MOTIVE MEANS FOR INTERMITTENTLY ADVANCING THE TYPEWRITER IN A PREDETERMINED DIRECTION ACROSS THE SURFACE IN RESPONSE TO TYPING THEREON, A TRANSPORT ASSEMBLY COMPRISING A FRAME DISPOSED TO GENERALLY RECEIVE THE WEIGHT OF THE TYPEWRITER, A PAIR OF ROLLERS DRIVEN BY THE MOTIVE MEANS AND SPACED APART IN A DIRECTION CORRESPONDING TO THE DIRECTION OF MOVEMENT OF A LINE OF TYPING, A SINGLE ENDLESS BELT TRAINED AROUND SAID ROLLERS FOR CYCLIC MOVEMENT TO MOVE SAID TYPEWRITER IN SAID DIRECTION
Claim 2
Dependent Claim
101 words
IN A TYPEWRITER OF THE TYPE WHICH IS ADAPTED TO MOVE OVER A PRINT-RECEIVING SURFACE, AND WHICH HAS A DRIVING POWER TRAIN INCLUDING MOTIVE MEANS FOR INTERMITTENTLY ADVANCING THE TYPEWRITER IN A PREDETERMINED DIRECTION ACROSS THE SURFACE IN RESPONSE TO TYPING THEREON, A TRANSPORT ASSEMBLY COMPRISING A FRAME DISPOSED TO GENERALLY RECEIVE THE WEIGHT OF THE TYPEWRITER, A PAIR OF ROLLERS DRIVEN BY THE MOTIVE MEANS AND SPACED APART IN A DIRECTION CORRESPONDING TO THE DIRECTION OF MOVEMENT OF A LINE OF TYPING, A SINGLE ENDLESS BELT TRAINED AROUND SAID ROLLERS FOR CYCLIC MOVEMENT TO MOVE SAID TYPEWRITER IN SAID DIRECTION
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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |