US3384115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic logic system on the block principle
Assignee: ZAVODY PRUMYSLOVE AUTOMATISACE
•
Filing: 1965-09-27
•
Granted: 1968-05-21
•
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 09:46
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3057551A
Cited
US3076473A
Cited
US3176714A
Cited
US3158164A
Cited
US3226530A
Cited
US3234963A
Cited
US3229705A
Cited
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 |