US3167267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape recorder
Assignee: Northrop Grumman Guidance and Electronics Co Inc
•
Filing: 1961-10-24
•
Granted: 1965-01-26
•
Expires: 1981-10-24
Abstract
No abstract record available.
Inventors
- 👤 George R Crane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:21
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/675; G11B15/67581; G11B15/67592
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A DUAL TAPE DECK FOR RECORDING MACHINES USING TAPE CARTRIDGES, COMPRISING A FIRST TAPE DECK ASSEMBLY INCLUDING A TRANSDUCER HEAD FOR RECEIVING A CARTRIDGE AND MAINTAINING IT IN A PREDETERMINED POSITION WITH RESPECT TO SAID TRANSDUCER HEAD, A SECOND TAPE DECK ASSEMBLY INCLUDING AT LEAST ONE TAPE DRIVING MECHANISM, AND MEANS FOR SHIFTING THE POSITION OF ONE OF THE TAPED DECK ASSEMBLIES WITH RESPECT TO THE OTHER TAPE DECK ASSEMBLY TO SELECTIVELY ENGAGE THE TAPE WITH THE DRIVING MECHANISM AND TO DISENGAGE THE TAPE FROM IT.
Claim 2
Dependent Claim
86 words
A DUAL TAPE DECK FOR RECORDING MACHINES USING TAPE CARTRIDGES, COMPRISING A FIRST TAPE DECK ASSEMBLY INCLUDING A TRANSDUCER HEAD FOR RECEIVING A CARTRIDGE AND MAINTAINING IT IN A PREDETERMINED POSITION WITH RESPECT TO SAID TRANSDUCER HEAD, A SECOND TAPE DECK ASSEMBLY INCLUDING AT LEAST ONE TAPE DRIVING MECHANISM, AND MEANS FOR SHIFTING THE POSITION OF ONE OF THE TAPED DECK ASSEMBLIES WITH RESPECT TO THE OTHER TAPE DECK ASSEMBLY TO SELECTIVELY ENGAGE THE TAPE WITH THE DRIVING MECHANISM AND TO DISENGAGE THE TAPE FROM IT.
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) | 1968-01-26 | 1968-07-27 | 1969-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-26 | 1972-07-27 | 1973-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-26 | 1976-07-27 | 1977-01-26 | $7700.00 | Window Closed / Lapsed |