US3208682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-threading magnetic tape recording and reproducing apparatus
Assignee: 3M Co
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Filing: 1964-02-19
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Granted: 1965-09-28
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Expires: 1984-02-19
Abstract
No abstract record available.
Inventors
- 👤 Pastor Sheldon Lee
- 👤 Rudolph A Rom
- 👤 Carl W Claras
- 👤 Wickstrom Svante Theodore
- 👤 Zarr Myron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:59
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/10; G03B21/11; B; B65; B65H; B65H19/00; B65H19/22; B65H19/28; G11; G11B; G11B15/00; G11B15/60; G11B15/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
IN COMBINATION, A SUPPLY REEL COMPRISING A HUB AND SPACED PARALLEL CIRCULAR SIDE FLANGES, A TAPE WOUND ON SAID HUB, A STIFF LEADER ATTACHED TO THE FREE END OF SAID TAPE, SAID LEADER HAVING A WIDE PORTION OF GREATER WIDTH THAN THE SPACING BETWEEN SAID REEL FLANGES AND WOUND ON THE PERIPHERY OF SAID FLANGES, A TAPE-UP REELS, GUIDING MEANS DEFINING A PREDETERMINED PATH BETWEEN SAID REELS, RELEASBLE DRIVING MEANS INCLUDING A DRIVING MEMBER ADJACENT THE PERIPHERY OF SAID FLANGES AND MOUNTED FOR PRESSURE CONTACT FRICTIONAL DRIVING ENGAGEMENT WITH SAID LEADER WHILE THE LEADER IS WOUND ON THE PERIPHERY OF SAID FLANGES, SAID DRIVING MEANS BEING OPERATIVE WHEN THE DRIVING MEMBER PRESSES THE LEADER AGAINST THE PERIPHERY OF SAID FLANGES TO
Claim 2
Dependent Claim
121 words
IN COMBINATION, A SUPPLY REEL COMPRISING A HUB AND SPACED PARALLEL CIRCULAR SIDE FLANGES, A TAPE WOUND ON SAID HUB, A STIFF LEADER ATTACHED TO THE FREE END OF SAID TAPE, SAID LEADER HAVING A WIDE PORTION OF GREATER WIDTH THAN THE SPACING BETWEEN SAID REEL FLANGES AND WOUND ON THE PERIPHERY OF SAID FLANGES, A TAPE-UP REELS, GUIDING MEANS DEFINING A PREDETERMINED PATH BETWEEN SAID REELS, RELEASBLE DRIVING MEANS INCLUDING A DRIVING MEMBER ADJACENT THE PERIPHERY OF SAID FLANGES AND MOUNTED FOR PRESSURE CONTACT FRICTIONAL DRIVING ENGAGEMENT WITH SAID LEADER WHILE THE LEADER IS WOUND ON THE PERIPHERY OF SAID FLANGES, SAID DRIVING MEANS BEING OPERATIVE WHEN THE DRIVING MEMBER PRESSES THE LEADER AGAINST THE PERIPHERY OF SAID FLANGES TO
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |