US3223303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape guide for magnetic recorders
Assignee: Northrop Grumman Guidance and Electronics Co Inc
•
Filing: 1962-05-21
•
Granted: 1965-12-14
•
Expires: 1982-05-21
Abstract
No abstract record available.
Inventors
- 👤 Hunter Jonathan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:06
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A TAPE-HANDLING APPARATUS COMPRISING: A SUBSTANTIALLY BICONICAL TAPE GUIDE; MEANS FOR DIRECTING A TAPE TOWARD SAID GUIDE ALONG A FIRST LINE IN A PREDETERMINED DIRECTION; AND MEANS FOR PULLING THE TAPE FROM THE GUIDE ALONG A SECOND LINE IN A DIFFERENT DIRECTION; SAID BICONICAL TAPE GUIDE HAVING AT LEAST SOME PORTIONS OF ITS SURFACE ROTATED FROM PERPENDICULARITY WITH RESPECT TO THE PLANE WHICH BOTH PASSES THROUGH THE SECOND LINE AND IS PARALLEL TO THE FIRST LINE; SAID TAPE GUIDE FURTHER CONSTITUTING A CONTINUOUS, DEVELOPABLE SURFACE, COMPOSED OF THE SURFACES OF TWO CONES MERGING INTO ONE ANOTHER IN ENGAGEMENT WITH THE TAPE, WHICH IS SMOOTHLY CURVED AND HAS THE SAME LENGTH OF CONTACT WITH THE TAPE IN THE DIRECTION OF TAPE MOVEMENT OF BOTH EDGES OF THE TAPE AND ACROSS THE ENTIRE AREA OF ENGAGEMENT OF THE TAPE AND TAPE GUIDE.
Claim 2
Dependent Claim
140 words
A TAPE-HANDLING APPARATUS COMPRISING: A SUBSTANTIALLY BICONICAL TAPE GUIDE; MEANS FOR DIRECTING A TAPE TOWARD SAID GUIDE ALONG A FIRST LINE IN A PREDETERMINED DIRECTION; AND MEANS FOR PULLING THE TAPE FROM THE GUIDE ALONG A SECOND LINE IN A DIFFERENT DIRECTION; SAID BICONICAL TAPE GUIDE HAVING AT LEAST SOME PORTIONS OF ITS SURFACE ROTATED FROM PERPENDICULARITY WITH RESPECT TO THE PLANE WHICH BOTH PASSES THROUGH THE SECOND LINE AND IS PARALLEL TO THE FIRST LINE; SAID TAPE GUIDE FURTHER CONSTITUTING A CONTINUOUS, DEVELOPABLE SURFACE, COMPOSED OF THE SURFACES OF TWO CONES MERGING INTO ONE ANOTHER IN ENGAGEMENT WITH THE TAPE, WHICH IS SMOOTHLY CURVED AND HAS THE SAME LENGTH OF CONTACT WITH THE TAPE IN THE DIRECTION OF TAPE MOVEMENT OF BOTH EDGES OF THE TAPE AND ACROSS THE ENTIRE AREA OF ENGAGEMENT OF THE TAPE AND TAPE GUIDE.
References Cited (Backward Citations)
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US1114478A
Cited
US2141719A
Cited
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Cited
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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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |