US3093284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential capstan assembly
Assignee: 3M Co
•
Filing: 1959-05-11
•
Granted: 1963-06-11
•
Expires: 1979-05-11
Abstract
No abstract record available.
Inventors
- 👤 John T Mullin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:06
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/26; G11B15/28; G11B15/295
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
IN A TAPE TRANSPORT MECHANISM, APPARATUS FOR DEVELOPING AND MAINTAINING A PREDETERMINED LONGITUDINAL TENSION IN THE TAPE PASSING THROUGH A DEFINED ZONE OF THE TAPE PATH, THE SAID APPARATUS COMPRISING IN COMBINATION: A ROTATABLY MOUNTED ELASTOMER BODY OF CIRCULAR CONFIGURATION; FIRST MEANS DISPOSED IN COOPERATIVE RELATION WITH THE PERIPHERAL SURFACE OF THE BODY FOR HOLDING THE TAPE IN FRICTIONAL ENGAGEMENT WITH THE BODY AS THE TAPE ENTERS THE ZONE; SECOND MEANS MOUNTED IN SPACED ANGULAR RELATION WITH RESPECT TO THE FIRST MEANS AND IN COOPERATIVE RELATION WITH THE PERIPHERAL SURFACE OF THE BODY FOR HOLDING THE TAPE IN FRICTIONAL ENGAGEMENT AGAINST THE BODY AS THE
Claim 2
Dependent Claim
105 words
IN A TAPE TRANSPORT MECHANISM, APPARATUS FOR DEVELOPING AND MAINTAINING A PREDETERMINED LONGITUDINAL TENSION IN THE TAPE PASSING THROUGH A DEFINED ZONE OF THE TAPE PATH, THE SAID APPARATUS COMPRISING IN COMBINATION: A ROTATABLY MOUNTED ELASTOMER BODY OF CIRCULAR CONFIGURATION; FIRST MEANS DISPOSED IN COOPERATIVE RELATION WITH THE PERIPHERAL SURFACE OF THE BODY FOR HOLDING THE TAPE IN FRICTIONAL ENGAGEMENT WITH THE BODY AS THE TAPE ENTERS THE ZONE; SECOND MEANS MOUNTED IN SPACED ANGULAR RELATION WITH RESPECT TO THE FIRST MEANS AND IN COOPERATIVE RELATION WITH THE PERIPHERAL SURFACE OF THE BODY FOR HOLDING THE TAPE IN FRICTIONAL ENGAGEMENT AGAINST THE BODY AS THE
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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) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |