US3257057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic tape guide mechanism
Assignee: Midwestern Instruments Inc
•
Filing: 1965-06-23
•
Granted: 1966-06-21
•
Expires: 1985-06-23
Abstract
No abstract record available.
Inventors
- 👤 Howard R Cederberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:15
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
IN A TAPE TRANSPORT: A TRANSDUCER HEAD; A TAPE CARRIER HAVING MEANS FOR GUIDING THE TAPE AS IT IS ADVANCED; A FLEXIBLE LEAF SPRING MOUNTING SAID CARRIER FOR MOVEMENT OF THE TAPE INTO AND OUT OF ENGAGEMENT WITH THE HEAD; AND STOP MEANS IN THE PATH OF TRAVEL OF THE CARRIER IN ONE DIRECTION FOR LIMITING THE EXTENT OF MOVEMENT OF THE TAPE TOWARD THE HEAD, WHEREBY THE RELATIONSHIP OF SAID CARRIER TO THE HEAD WHEN THE TAPE IS IN ENGAGEMENT WITH THE HEAD IS DETERMINED BY SAID STOP MEANS.
Claim 2
Dependent Claim
90 words
IN A TAPE TRANSPORT: A TRANSDUCER HEAD; A TAPE CARRIER HAVING MEANS FOR GUIDING THE TAPE AS IT IS ADVANCED; A FLEXIBLE LEAF SPRING MOUNTING SAID CARRIER FOR MOVEMENT OF THE TAPE INTO AND OUT OF ENGAGEMENT WITH THE HEAD; AND STOP MEANS IN THE PATH OF TRAVEL OF THE CARRIER IN ONE DIRECTION FOR LIMITING THE EXTENT OF MOVEMENT OF THE TAPE TOWARD THE HEAD, WHEREBY THE RELATIONSHIP OF SAID CARRIER TO THE HEAD WHEN THE TAPE IS IN ENGAGEMENT WITH THE HEAD IS DETERMINED BY SAID STOP MEANS.
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) | 1969-06-20 | 1969-12-20 | 1970-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-20 | 1973-12-20 | 1974-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-20 | 1977-12-20 | 1978-06-21 | $7700.00 | Window Closed / Lapsed |