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US3384115A
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Pneumatic logic system on the block principle
Assignee: ZAVODY PRUMYSLOVE AUTOMATISACE
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Filing: 1965-09-27
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Granted: 1968-05-21
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Expires: 1985-09-27
Abstract
No abstract record available.
Inventors
- 👤 Drazan Pavel
- 👤 Brychta Ondrej
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:42
CPC Classifications
F; F15; F15C; F15C5/00; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/877; Y10T137/87885; Y10T137/87893
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3057551A
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US3176714A
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US3158164A
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US3226530A
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US3234963A
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US3229705A
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US3258023A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |