Patent US3142429A successfully refreshed from Google Patents.
US3142429A
Expired / Lapsed
US
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Wide tape driving mechanism
Assignee: 3M Co
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Filing: 1962-02-02
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Granted: 1964-07-28
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Expires: 1982-02-02
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Zivny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:06
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/26; G11B15/28; G11B15/29; G11B15/60
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
98 words
IN A TAPE-HANDLING APPARATUS OR THE LIKE, DRIVING MEANS ADAPTED TO DRIVE A TAPE COMPRISING A CAPSTAN, A RESILIENT PRESSURE ROLLER ADAPTED TO PRESS A TAPE AGAINST SAID CAPSTAN TO BE DRIVEN THEREBY, AN AXLE ROTATIVELY SUPPORTING SAID ROLLER, RIGID SPACER MEANS ENGAGEABLE WITH AND POSITIONED BETWEEN SAID AXLE AND SAID CAPSTAN AT EACH END OF SAID PRESSURE ROLLER AND WHEN IN SUCH ENGAGEMENT DEFINING AN OPERATIVE POSITION OF SAID ROLLER WHEREIN THE AXIS THEREOF IS PARALLEL WITH THE AXIS OF SAID CAPSTAN, AND MEANS FOR PLACING SAID PRESSURE ROLLER IN SAID OPERATIVE POSITION TO DRIVE A TAPE.
References Cited (Backward Citations)
US2274834A
Cited
US2246004A
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US2959334A
Cited
US2786672A
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US2990092A
Cited
US2995287A
Cited
US3077293A
Cited
US3072310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |