US3028506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Binary type pulse handling device
Assignee: International Business Machines Corp
•
Filing: 1956-05-21
•
Granted: 1962-04-03
•
Expires: 1976-05-21
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Logue
- 👤 James L Walsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:45
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/286; H03K3/01; H03K3/012; H03K3/288
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2226459A
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US2675474A
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US2570978A
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US2763832A
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US2764343A
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US2655625A
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US2691073A
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US2762874A
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US2706811A
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US2797327A
Cited
US2816238A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |