US3263223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gap scatter correction apparatus
Assignee: Potter Instrument Co Inc
•
Filing: 1961-10-31
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Granted: 1966-07-26
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Expires: 1981-10-31
Abstract
No abstract record available.
Inventors
- 👤 George E Zenzefilis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:15
CPC Classifications
G; G11; G11B; G11B20/00; G11B20/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A MAGNETIC TAPE INFORMATION STORAGE SYSTEM COMPRISING HEAD MEANS ADAPTED FOR A TRANSFER OF INFORMATION-REPRESENTING PULSES BETWEEN SAID HEAD MEANS AND A PLURALITY OF TRACKS ON A MAGNETIC TAPE WHEN IN JUXTAPOSITION THEREWITH, MAGNETIC PULSE-SENSING MEANS ON SAID HEAD MEANS TO DETECT AN INFORMATION-REPRESENTING MAGNETIC PULSE IN PREDETERMINED TRACKS OF A MULTI-TRACK MAGNETIC TAPE, A PLURALITY OF MONOSTABLE MULTIVIBRATOR CIRCUITS EQUAL TO THE NUMBER OF TRACKS AND EACH CIRCUIT
Claim 2
Dependent Claim
69 words
A MAGNETIC TAPE INFORMATION STORAGE SYSTEM COMPRISING HEAD MEANS ADAPTED FOR A TRANSFER OF INFORMATION-REPRESENTING PULSES BETWEEN SAID HEAD MEANS AND A PLURALITY OF TRACKS ON A MAGNETIC TAPE WHEN IN JUXTAPOSITION THEREWITH, MAGNETIC PULSE-SENSING MEANS ON SAID HEAD MEANS TO DETECT AN INFORMATION-REPRESENTING MAGNETIC PULSE IN PREDETERMINED TRACKS OF A MULTI-TRACK MAGNETIC TAPE, A PLURALITY OF MONOSTABLE MULTIVIBRATOR CIRCUITS EQUAL TO THE NUMBER OF TRACKS AND EACH CIRCUIT
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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) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |