US3301958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic repertory caller
Assignee: AT&T Inc
•
Filing: 1963-08-12
•
Granted: 1967-01-31
•
Expires: 1983-08-12
Abstract
No abstract record available.
Inventors
- 👤 William W Blakeslee
- 👤 Philip J Grunfelder
- 👤 Edmund K Nadolny
- 👤 Laurin L Sevebeck
- 👤 Rudolf E Vogeli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:42
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/26; H04M1/27; H04M1/274; H04M1/276
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
IN AN APPARATUS FOR STORING INFORMATION: AN ENDLESS MAGNETIC STORAGE BELT MOUNTED FOR MOTION ALONG A CLOSED PATH; A TRANSDUCER RECORDING HEAD MOUNTED ADJACENT TO SAID MAGNETIC STORAGE BELT FOR MOTION TRANSVERSE TO SAID CLOSED PATH; AN ENDLESS INDEX BELT; MEANS FOR MOUNTING SAID ENDLESS INDEX BELT FOR MOTION RELATIVE TO AND ENCIRCLING SAID ENDLESS MAGNETIC STORAGE BELT TO RECEIVE AND STORE VISIBLE INFORMATION THEREON; MEANS FOR MOVING (1) SAID ENDLESS INDEX BELT RELATIVE TO SAID ENDLESS MAGNETIC STORAGE BELT, AND (2) SAID TRANSDUCER RECORDING HEAD MEANS TRANSVERSE TO SAID CLOSED PATH; AND MEANS FOR MOVING SAID ENDLESS MAGNETIC STORAGE BELT ALONG SAID CLOSED PATH RELATIVE TO SAID TRANSDUCER RECORDING HEAD MEANS TO RECORD AND STORE INFORMATION ON SAID ENDLESS MAGNETIC STORAGE BELT.
Claim 2
Dependent Claim
123 words
IN AN APPARATUS FOR STORING INFORMATION: AN ENDLESS MAGNETIC STORAGE BELT MOUNTED FOR MOTION ALONG A CLOSED PATH; A TRANSDUCER RECORDING HEAD MOUNTED ADJACENT TO SAID MAGNETIC STORAGE BELT FOR MOTION TRANSVERSE TO SAID CLOSED PATH; AN ENDLESS INDEX BELT; MEANS FOR MOUNTING SAID ENDLESS INDEX BELT FOR MOTION RELATIVE TO AND ENCIRCLING SAID ENDLESS MAGNETIC STORAGE BELT TO RECEIVE AND STORE VISIBLE INFORMATION THEREON; MEANS FOR MOVING (1) SAID ENDLESS INDEX BELT RELATIVE TO SAID ENDLESS MAGNETIC STORAGE BELT, AND (2) SAID TRANSDUCER RECORDING HEAD MEANS TRANSVERSE TO SAID CLOSED PATH; AND MEANS FOR MOVING SAID ENDLESS MAGNETIC STORAGE BELT ALONG SAID CLOSED PATH RELATIVE TO SAID TRANSDUCER RECORDING HEAD MEANS TO RECORD AND STORE INFORMATION ON SAID ENDLESS MAGNETIC STORAGE BELT.
References Cited (Backward Citations)
US3254162A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |