US3345007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape apparatus
Assignee: Unisys Corp
•
Filing: 1965-05-28
•
Granted: 1967-10-03
•
Expires: 1985-05-28
Abstract
No abstract record available.
Inventors
- 👤 Harry F Rayfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:04
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/56; G11B15/58; G11B25/00; G11B25/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
200 words
IN TAPE APPARATUS THE COMBINATION COMPRISING A BASE, A PLURALITY OF PAIRS OF COAXIALLY ARRANGED TAPE REELS MOUNTED IN PROXIMITY TO SAID BASE IN SPACED APART RELATIONSHIP, A PLURALITY OF DUAL VACUUM COLUMNS MOUNTED ON THE BASE ADJACENT SAID REELS, EACH OF SAID VACUUM COLUMNS HAVING A PAIR OF LOOP-LENGTH SENSORS OPERATED BY THE END OF THE TAPE LOOP PASSING BY SAME, A SINGLE VACUUM SOURCE COUPLED TO EACH OF SAID VACUUM COLUMNS, INDIVIDUAL TRANSDUCING MEANS MOUNTED ON THE BASE ADJACENT EACH PAIR OF TAPE REELS, INDIVIDUAL TAPE ADVANCING MEANS MOUNTED ADJACENT SAID TRANSDUCING MEANS, INDIVIDUAL TAPE GUIDING MEANS MOUNTED ADJACENT SAID REELS AND SAID TRANSDUCING MEANS FOR GUIDING TAPE FROM ONE OF SAID REELS OF EACH PAIR OF REELS THROUGH ONE OF THE COLUMNS OF SAID DUAL VACUUM COLUMNS AND PAST THE INDIVIDUAL TRANSDUCING MEANS FOR EACH PAIR OF REELS THROUGH ONE OF THE COLUMNS OF ANOTHER OF SAID DUAL VACUUM COLUMNS TO THE OTHER REEL OF EACH PAIR OF REELS, A SINGLE TAPE DRIVE MEANS COUPLED TO EACH OF SAID INDIVIDUAL TAPE ADVANCING MEANS, AND INDIVIDUAL REEL DRIVE MEANS EACH COUPLED TO ONE OF SAID REELS AND CONNECTED TO BE RESPONSIVE TO THE CONTROL SIGNAL FROM THE SENSORS.
Claim 2
Dependent Claim
200 words
IN TAPE APPARATUS THE COMBINATION COMPRISING A BASE, A PLURALITY OF PAIRS OF COAXIALLY ARRANGED TAPE REELS MOUNTED IN PROXIMITY TO SAID BASE IN SPACED APART RELATIONSHIP, A PLURALITY OF DUAL VACUUM COLUMNS MOUNTED ON THE BASE ADJACENT SAID REELS, EACH OF SAID VACUUM COLUMNS HAVING A PAIR OF LOOP-LENGTH SENSORS OPERATED BY THE END OF THE TAPE LOOP PASSING BY SAME, A SINGLE VACUUM SOURCE COUPLED TO EACH OF SAID VACUUM COLUMNS, INDIVIDUAL TRANSDUCING MEANS MOUNTED ON THE BASE ADJACENT EACH PAIR OF TAPE REELS, INDIVIDUAL TAPE ADVANCING MEANS MOUNTED ADJACENT SAID TRANSDUCING MEANS, INDIVIDUAL TAPE GUIDING MEANS MOUNTED ADJACENT SAID REELS AND SAID TRANSDUCING MEANS FOR GUIDING TAPE FROM ONE OF SAID REELS OF EACH PAIR OF REELS THROUGH ONE OF THE COLUMNS OF SAID DUAL VACUUM COLUMNS AND PAST THE INDIVIDUAL TRANSDUCING MEANS FOR EACH PAIR OF REELS THROUGH ONE OF THE COLUMNS OF ANOTHER OF SAID DUAL VACUUM COLUMNS TO THE OTHER REEL OF EACH PAIR OF REELS, A SINGLE TAPE DRIVE MEANS COUPLED TO EACH OF SAID INDIVIDUAL TAPE ADVANCING MEANS, AND INDIVIDUAL REEL DRIVE MEANS EACH COUPLED TO ONE OF SAID REELS AND CONNECTED TO BE RESPONSIVE TO THE CONTROL SIGNAL FROM THE SENSORS.
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) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |