Patent US2606244A successfully refreshed from Google Patents.
US2606244A
Expired / Lapsed
US
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Data receiving and retaining mechanism
Assignee: International Business Machines Corp
•
Filing: 1948-03-30
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Granted: 1952-08-05
•
Expires: 1968-03-30
Abstract
No abstract record available.
Inventors
- 👤 Reynold B Johnson
- 👤 Henry A Jurgens
- 👤 Otto F Moneagle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:41
CPC Classifications
H; H03; H03M; H03M1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1576167A
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US1771905A
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US2119064A
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US2126846A
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US2130166A
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US2163302A
Cited
US2131914A
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US2298939A
Cited
US2371491A
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US2327465A
Cited
US2336543A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-05 | 1956-02-04 | 1956-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-05 | 1960-02-04 | 1960-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-05 | 1964-02-04 | 1964-08-05 | $7700.00 | Window Closed / Lapsed |