US3532017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic device for the control of oil pressure pistons
Assignee: Wilhelmsburger Mas Fab Hinrich & Sohn
•
Filing: 1968-06-05
•
Granted: 1970-10-06
•
Expires: 1988-06-05
Abstract
No abstract record available.
Inventors
- 👤 Walter Schluter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:46
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/02; B; B23; B23D; B23D33/00; B23D33/08; F15B2211/00; F15B2211/20; F15B2211/205; F15B2211/2053; F15B2211/20538; F15B2211/50; F15B2211/505; F15B2211/50509; F15B2211/50518; F15B2211/515; F15B2211/5151; F15B2211/57; Y; Y10; Y10T; Y10T83/00; Y10T83/566; Y10T83/5669; Y10T83/5787; Y10T83/5805; Y10T83/748; Y10T83/7487; Y10T83/7547
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |