US3281040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape guide
Assignee: Consolidated Electrodynamics Corp
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Filing: 1964-11-27
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Granted: 1966-10-25
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Expires: 1984-11-27
Abstract
No abstract record available.
Inventors
- 👤 Frederic F Grant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:35
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
APPARATUS FOR EDGE GUIDING A THIN FLEXIBLE STRIP OF MATERIAL COMPRISING A GUIDE MEMBER HAVING A SURFACE WITH WHICH A SURFACE OF THE STRIP IS JUXTAPOSED, MEANS PROVIDING A PAIR OF SPACED PARALLEL SHOULDERS EXTENDING ALONG THE SURFACE OF THE GUIDE MEMBER AND BETWEEN WHICH THE STRIP IS DISPOSED, MEANS FOR DIRECTING A FLUID STREAM THROUGH THE GUIDE MEMBER TO SUPPORT THE STRIP RELATIVE TO THE SURFACE FO THE GUIDE MEMBER, AND MEANS COOPERATING WITH THE FLUID STREAM FOR DEFINING A FLUID PRESSURE GRADIENT TRANSVERSELY OF THE STRIP BETWEEN THE STRIP AND THE GUIDE MEMBER SO THAT THE STRIP MOVES TOWARD THE LOW PRESSURE END OF THE GRADIENT AND THE CORRESPONDING EDGE OF THE STRIP ENGAGES THE ADJACENT SHOULDER.
Claim 2
Dependent Claim
119 words
APPARATUS FOR EDGE GUIDING A THIN FLEXIBLE STRIP OF MATERIAL COMPRISING A GUIDE MEMBER HAVING A SURFACE WITH WHICH A SURFACE OF THE STRIP IS JUXTAPOSED, MEANS PROVIDING A PAIR OF SPACED PARALLEL SHOULDERS EXTENDING ALONG THE SURFACE OF THE GUIDE MEMBER AND BETWEEN WHICH THE STRIP IS DISPOSED, MEANS FOR DIRECTING A FLUID STREAM THROUGH THE GUIDE MEMBER TO SUPPORT THE STRIP RELATIVE TO THE SURFACE FO THE GUIDE MEMBER, AND MEANS COOPERATING WITH THE FLUID STREAM FOR DEFINING A FLUID PRESSURE GRADIENT TRANSVERSELY OF THE STRIP BETWEEN THE STRIP AND THE GUIDE MEMBER SO THAT THE STRIP MOVES TOWARD THE LOW PRESSURE END OF THE GRADIENT AND THE CORRESPONDING EDGE OF THE STRIP ENGAGES THE ADJACENT SHOULDER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |