US3177299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic tape transducing apparatus
Assignee: Individual
•
Filing: 1960-09-15
•
Granted: 1965-04-06
•
Expires: 1980-09-15
Abstract
No abstract record available.
Inventors
- 👤 Smith Francis Rawdon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:42
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/86
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
MAGNETIC TAPE TRANSDUCING APPARAUTS COMPRISING PAY-OF AND TAKE-UP REEL SUPPORTS; A DRIVING MANDREL, TAPE GUIDES AND A TRANSDUCING HEAD INTERMEDIATE SAID SUPPORTS DEFINING A TAPE PATH HAVING A DIRECTION OF TRAVEL TOWARDS SAID TAKE-UP REEL SUPPORT; MEANS ENERGIZING SAID HEAD WHEN SAID TAPE IS TRAVELLING IN SAID DIRECTION; AND DRIVING MEANS FOR SAID TAKE-UP REEL SUPPORT AND MANDREL; SAID TRANSDUCING HEAD OCCUPYING A POSITION INTERMEDIATE SAID MANDREL AND TAKE-UP REEL SUPPORT, SAID HEAD LYING BETWEEN
Claim 2
Dependent Claim
75 words
MAGNETIC TAPE TRANSDUCING APPARAUTS COMPRISING PAY-OF AND TAKE-UP REEL SUPPORTS; A DRIVING MANDREL, TAPE GUIDES AND A TRANSDUCING HEAD INTERMEDIATE SAID SUPPORTS DEFINING A TAPE PATH HAVING A DIRECTION OF TRAVEL TOWARDS SAID TAKE-UP REEL SUPPORT; MEANS ENERGIZING SAID HEAD WHEN SAID TAPE IS TRAVELLING IN SAID DIRECTION; AND DRIVING MEANS FOR SAID TAKE-UP REEL SUPPORT AND MANDREL; SAID TRANSDUCING HEAD OCCUPYING A POSITION INTERMEDIATE SAID MANDREL AND TAKE-UP REEL SUPPORT, SAID HEAD LYING BETWEEN
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) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |