US3124645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Binary coded pulse recording and reproducing
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
•
Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:14
CPC Classifications
H; H04; H04L; H04L17/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A SYSTEM FOR RECORDING BINARY CODED PULSES TO BE USED FOR OPERATING AUTOMATICALLY AN ELECTRIC TYPEWRITER, COMPRISING A RECORD MEDIUM HAVING A RECORDABLE SURFACE, A TRANSVERSAL RECORDING MACHINE HAVING A RECORDING HEAD AND MEANS FOR DRIVING SAID HEAD BACK AND FORTH ACROSS SAID MEDIUM WHILE ADVANCING THE MEDIUM BY ONE STEP DURING EACH REVERSAL IN THE DRIVE OF SAID HEAD WHEREBY THE HEAD IS MOVED BACK AND FORTH ALONG SUCCESSIVE PARALLEL TRANSVERSE TRACKS ON THE RECORD MEDIUM, MEANS FOR FEEDING ELECTRIC PULSES TO SAID HEAD REPRESENTING THE CODED SIGNALS FOR RESPECTIVE CHARACTERS TO BE TYPED AND FOR FUNC-
Claim 2
Independent Claim
98 words
A SYSTEM FOR RECORDING BINARY CODED PULSES TO BE USED FOR OPERATING AUTOMATICALLY AN ELECTRIC TYPEWRITER, COMPRISING A RECORD MEDIUM HAVING A RECORDABLE SURFACE, A TRANSVERSAL RECORDING MACHINE HAVING A RECORDING HEAD AND MEANS FOR DRIVING SAID HEAD BACK AND FORTH ACROSS SAID MEDIUM WHILE ADVANCING THE MEDIUM BY ONE STEP DURING EACH REVERSAL IN THE DRIVE OF SAID HEAD WHEREBY THE HEAD IS MOVED BACK AND FORTH ALONG SUCCESSIVE PARALLEL TRANSVERSE TRACKS ON THE RECORD MEDIUM, MEANS FOR FEEDING ELECTRIC PULSES TO SAID HEAD REPRESENTING THE CODED SIGNALS FOR RESPECTIVE CHARACTERS TO BE TYPED AND FOR FUNC-
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) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |