US3420254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatically sampled serializer
Assignee: International Business Machines Corp
•
Filing: 1965-06-30
•
Granted: 1969-01-07
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Expires: 1985-06-30
Abstract
No abstract record available.
Inventors
- 👤 James A Machmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:16
CPC Classifications
H; H04; H04L; H04L17/00; H04L17/16; H04L17/28; F; F15; F15C; F15C1/00; F15C1/001; F42; F42C; F42C15/00; F42C15/20; F42C15/22; G; G06; G06K; G06K7/00; G06K7/02; H04L13/00; H04L13/02; H04L13/10; Y; Y10; Y10S; Y10S200/00; Y10S200/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2592314A
Cited
US2615112A
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US3057974A
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US3189704A
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US3258685A
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US3200525A
Cited
US3263922A
Cited
US3276690A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |