US2856256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coded magnetic binary recorders
Assignee: Raytheon Co
•
Filing: 1951-10-31
•
Granted: 1958-10-14
•
Expires: 1971-10-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Justice N Carman
- 👤 Arthur J Hannum
- 👤 Edward W Gould
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:12
CPC Classifications
G; G11; G11B; G11B20/00; G11B20/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR887900A
Cited
US2616169A
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US2608346A
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US2560474A
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US2561476A
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US2511121A
Cited
US2567812A
Cited
US2558187A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |