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US3414895A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic head with means for assuring firm tape-head contact
Assignee: Honeywell Inc
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Filing: 1966-01-14
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Granted: 1968-12-03
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Expires: 1986-01-14
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry R Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:30
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/60; G11B15/62; G11B5/00; G11B5/127; G11B5/187
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A MAGNETIC HEAD COMPRISING, A CORE PIECE DISPOSED FOR FORMING A GAP THEREBETWEEN, A SPACER DISPOSED WITHIN SAID GAP FOR FORMING A SUPPORTING SURFACE OVER WHICH A RECORD MEDIA IS CONVEYED, COIL MEANS SURROUNDING SAID CORE PIECE FOR CREATING A FLUX WITHIN SAID GAP, AND MEANS ASSOCIATED WITH SAID SUPPORTING SURFACE FOR EXCITING SAID CONVEYED RECORD MEDIA INTO AN UNDULATORY MOTION URGING SAID RECORD MEDIA INTO FIRM CONTACT WITH SAID SUPPORTING SURFACE AT THE LOCATION OF SAID GAP.
Claim 2
Dependent Claim
78 words
A MAGNETIC HEAD COMPRISING, A CORE PIECE DISPOSED FOR FORMING A GAP THEREBETWEEN, A SPACER DISPOSED WITHIN SAID GAP FOR FORMING A SUPPORTING SURFACE OVER WHICH A RECORD MEDIA IS CONVEYED, COIL MEANS SURROUNDING SAID CORE PIECE FOR CREATING A FLUX WITHIN SAID GAP, AND MEANS ASSOCIATED WITH SAID SUPPORTING SURFACE FOR EXCITING SAID CONVEYED RECORD MEDIA INTO AN UNDULATORY MOTION URGING SAID RECORD MEDIA INTO FIRM CONTACT WITH SAID SUPPORTING SURFACE AT THE LOCATION OF SAID GAP.
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) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |