Patent US3334831A successfully refreshed from Google Patents.
US3334831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transport system for limp magnetic tapes
Assignee: Bell and Howell Co
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Filing: 1964-08-10
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Granted: 1967-08-08
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Expires: 1984-08-10
Abstract
No abstract record available.
Inventors
- 👤 Gordon E Bradt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:15
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/02; G11B23/04; G11B23/08; G11B23/107; B; B65; B65H; B65H23/00; B65H23/04; G11B15/00; G11B15/60; G11B15/66
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
87 words
A THREADING SYSTEM FOR A LIMP TAPE COMPRISING: A TAPE SUPPLY MEANS TO SUPPORT A COIL OF LIMP TAPE, THE OUTERMOST WINDING OF THE TAPE TERMINATING IN A LEADING END; A TAKE-UP MEANS; AND A PLURALITY OF AIR JET MEANS DIRECTED TOWARD THE OUTERMOST WINDING OF SAID TAPE FOR PEELING THE LEADING END OF THE TAPE FROM SAID COIL; AND FOR PROPELLING THE END OF THE TAPE AWAY FROM SAID TAPE SUPPLY MEANS IN THE DIRECTION OF SAID TAKE-UP MEANS AT THE INITIATION OF A THREADING OPERATION.
References Cited (Backward Citations)
US3127120A
Cited
US3006650A
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US3008661A
Cited
US3083925A
Cited
US3092346A
Cited
US3134527A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |