Patent US2196938A successfully refreshed from Google Patents.
Patent US4434326A successfully refreshed from Google Patents.
Patent US3516436A successfully refreshed from Google Patents.
US3516436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement for interconnecting logical operational units for pneumatic controls
Assignee: INST fur WERKZEUGMASCHINEN
•
Filing: 1967-03-14
•
Granted: 1970-06-23
•
Expires: 1987-03-14
Abstract
No abstract record available.
Inventors
- 👤 Rolf Klaus
- 👤 Harald Tittel
- 👤 Renate Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:48
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/06; F15B13/08; F15B13/0803; F15B13/0807; F15B13/0817; F15B13/0821; F15B13/0825; F15B13/0871; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/2224; Y10T137/8593; Y10T137/877; Y10T137/87885
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |