US3476885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Information compression transference means
Assignee: International Business Machines Corp
•
Filing: 1967-06-08
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Granted: 1969-11-04
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Expires: 1987-06-08
Abstract
No abstract record available.
Inventors
- 👤 Evelyn F Shiber
- 👤 Jerome A Shiber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:11
CPC Classifications
G; G11; G11B; G11B27/00; G11B27/02; G11B27/04; G11B15/00; G11B15/18; G11B15/20; G11B15/43; G11B20/00; G11B20/00007; G11B5/00; G11B5/86; G11B5/865
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1790559A
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US2004129A
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US2738383A
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US2747026A
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US2965723A
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US3037090A
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US3161120A
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US3315242A
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US3341854A
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US3318501A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |