US3217997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic tape pressure roller assembly
Assignee: Individual
•
Filing: 1962-08-21
•
Granted: 1965-11-16
•
Expires: 1982-08-21
Abstract
No abstract record available.
Inventors
- 👤 Eric H Lundgren
- 👤 Willard A Wayne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:50
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/675; G11B15/68; G11B15/682
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A MAGNETIC TAPE CARTRIDGE ASSEMBLY ADAPTED TO BE ORIENTATED STATIONARILY IN A RECORDING AND REPRODUCING ASSEMBLY HAVING A DRIVING CAPSTAN AND A CAM CONTROL MEANS, SAID CARTRIDGE ASSEMBLY INCLUDING A HOUSING HAVING REEL MEANS THEREON FROM WHICH THE MAGNETIC TAPE IS REELED, GUIDE MEANS FOR RETAINING THE TAPE ADJACENT AN EDGE OF THE CARTRIDGE SO THAT IT CAN BE MOVED INTO DRIVING ENGAGEMENT WITH THE DRIVING CAPSTAN, A PRESSURE ROLLER DISPOSED WITHIN THE CONFINES OF THE HOUSING, A PLATE PIVOTALLY MOUNTED ON SAID HOUSING, SAID PRESSURE ROLLER BEING JOURNALLED ON SAID PLATE FOR MOVEMENT IN RELATION TO THE HOUSING AND MAGNETIC TAPE FOR MOVING THE MAGNETIC TAPE INTO DRIVING ENGAGEMENT WITH THE CAPSTAN, SPRING MEANS ENGAGED WITH SAID PLATE AND DISPOSED WITHIN THE HOUSING FOR BIASING SAID ROLLER TOWARD THE TAPE AND THE EDGE OF THE CARTRIDGE, AND MEANS ON SAID PLATE ADAPTED TO ENGAGE THE
Claim 2
Dependent Claim
146 words
A MAGNETIC TAPE CARTRIDGE ASSEMBLY ADAPTED TO BE ORIENTATED STATIONARILY IN A RECORDING AND REPRODUCING ASSEMBLY HAVING A DRIVING CAPSTAN AND A CAM CONTROL MEANS, SAID CARTRIDGE ASSEMBLY INCLUDING A HOUSING HAVING REEL MEANS THEREON FROM WHICH THE MAGNETIC TAPE IS REELED, GUIDE MEANS FOR RETAINING THE TAPE ADJACENT AN EDGE OF THE CARTRIDGE SO THAT IT CAN BE MOVED INTO DRIVING ENGAGEMENT WITH THE DRIVING CAPSTAN, A PRESSURE ROLLER DISPOSED WITHIN THE CONFINES OF THE HOUSING, A PLATE PIVOTALLY MOUNTED ON SAID HOUSING, SAID PRESSURE ROLLER BEING JOURNALLED ON SAID PLATE FOR MOVEMENT IN RELATION TO THE HOUSING AND MAGNETIC TAPE FOR MOVING THE MAGNETIC TAPE INTO DRIVING ENGAGEMENT WITH THE CAPSTAN, SPRING MEANS ENGAGED WITH SAID PLATE AND DISPOSED WITHIN THE HOUSING FOR BIASING SAID ROLLER TOWARD THE TAPE AND THE EDGE OF THE CARTRIDGE, AND MEANS ON SAID PLATE ADAPTED TO ENGAGE THE
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) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |