US3107279A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transducing apparatus and cartridge therefor having duplicate coaxial reels
Assignee: 3M Co
•
Filing: 1956-12-20
•
Granted: 1963-10-15
•
Expires: 1976-12-20
Abstract
No abstract record available.
Inventors
- 👤 Robert H Hanes
- 👤 Robert J Youngquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:38
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/1808; G11B15/1875; G11B15/26; G11B15/32; G11B15/60; G11B15/66; G11B15/67; G11B23/00; G11B23/02; G11B23/04; G11B23/08; G11B23/107; G11B25/00; G11B25/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
TRANSDUCING APPARATUS COMPRISING: A HOUSING, A PICKUP HEAD AND INNER AND OUTER COAXIAL SPINDLES PROJECTING THEREFROM, SAID SPINDLES HAVING ALIGNED DUPLICATE CYLINDRICAL BEARING SURFACES, MEANS CARRIED BY SAID INNER SPINDLE FOR DRIVING ENGAGEMENT WITH A FIRST REEL AND FOR POSITIONING THE FIRST REEL IN SPACED RELATION TO THE HOUSING, RETRACTABLE DETENT MEANS CARRIED BY SAID OUTER SPINDLE FOR DRIVING ENGAGEMENT WITH A SECOND DUPLICATE REEL AND FOR POSITIONING THE SECOND REEL IN SPACED RELATION TO THE FIRST REEL, FIRST AND SECOND DUPLICATE REELS EACH HAVING A CENTRAL OPENING BEARING ON ONE OF SAID BEARING SURFACES AND EACH FORMED FOR DRIVING ENGAGEMENT WITH EITHER SPINDLE, A FLEAXIBLE RECORD MEDIUM EXTENDING
Claim 2
Dependent Claim
109 words
TRANSDUCING APPARATUS COMPRISING: A HOUSING, A PICKUP HEAD AND INNER AND OUTER COAXIAL SPINDLES PROJECTING THEREFROM, SAID SPINDLES HAVING ALIGNED DUPLICATE CYLINDRICAL BEARING SURFACES, MEANS CARRIED BY SAID INNER SPINDLE FOR DRIVING ENGAGEMENT WITH A FIRST REEL AND FOR POSITIONING THE FIRST REEL IN SPACED RELATION TO THE HOUSING, RETRACTABLE DETENT MEANS CARRIED BY SAID OUTER SPINDLE FOR DRIVING ENGAGEMENT WITH A SECOND DUPLICATE REEL AND FOR POSITIONING THE SECOND REEL IN SPACED RELATION TO THE FIRST REEL, FIRST AND SECOND DUPLICATE REELS EACH HAVING A CENTRAL OPENING BEARING ON ONE OF SAID BEARING SURFACES AND EACH FORMED FOR DRIVING ENGAGEMENT WITH EITHER SPINDLE, A FLEAXIBLE RECORD MEDIUM EXTENDING
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-14 | 1967-04-15 | 1967-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-14 | 1971-04-15 | 1971-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-14 | 1975-04-15 | 1975-10-15 | $7700.00 | Window Closed / Lapsed |