US3261706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of fabricating magnetic tape
Assignee: Individual
•
Filing: 1962-05-04
•
Granted: 1966-07-19
•
Expires: 1982-05-04
Abstract
No abstract record available.
Inventors
- 👤 Nesh Florence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:25
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/62; G11B5/68; G11B5/70; G11B5/706; G11B5/70626; G11B5/70642; G11B5/70652; G11B5/70663; G11B5/84; G11B5/8412
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
THE METHOD OF FABRICATING MAGNETIC TAPE WHICH COMPRISES COATING ONE SURFACE OF A PLASTIC TAPE WITH AN ADHESIVE, UNIFORMLY DISPERSING ON SAID COATING FINELY DIVIDED SMALL PARTICLES OF A PARAMAGNETIC MATERIAL BEFORE SAID ADHESIVE HAS SET, DISPOSING SAID TAPE IN A GAS LOADED LIQUID AND WHILE SUBMERGED IN SAID LIQUID SUBJECTING SAID TAPE TO ULTRASONIC VIBRATIONS IN THE PRESENCE OF A FORCE FIELD.
Claim 2
Independent Claim
63 words
THE METHOD OF FABRICATING MAGNETIC TAPE WHICH COMPRISES COATING ONE SURFACE OF A PLASTIC TAPE WITH AN ADHESIVE, UNIFORMLY DISPERSING ON SAID COATING FINELY DIVIDED SMALL PARTICLES OF A PARAMAGNETIC MATERIAL BEFORE SAID ADHESIVE HAS SET, DISPOSING SAID TAPE IN A GAS LOADED LIQUID AND WHILE SUBMERGED IN SAID LIQUID SUBJECTING SAID TAPE TO ULTRASONIC VIBRATIONS IN THE PRESENCE OF A FORCE FIELD.
References Cited (Backward Citations)
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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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |