Patent US3385175A successfully refreshed from Google Patents.
US3385175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piston
Assignee: Mahle GmbH
•
Filing: 1966-10-07
•
Granted: 1968-05-28
•
Expires: 1986-10-07
Abstract
No abstract record available.
Inventors
- 👤 Meier Alfred
- 👤 Maier Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:06
CPC Classifications
F; F02; F02F; F02F3/00; F02F3/16; F02F3/18; F02F3/0015; F02F3/0023; F02F3/28; F02B; F02B3/00; F02B3/06; F05; F05C; F05C2201/00; F05C2201/04; F05C2201/0433; F05C2201/0448
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) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |