Patent US611006A successfully refreshed from Google Patents.
US2898166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal piston
Assignee: US Philips Corp
•
Filing: 1955-07-20
•
Granted: 1959-08-04
•
Expires: 1975-07-20
Abstract
No abstract record available.
Inventors
- 👤 Kohler Jacob Willem Laurens
- 👤 Haan Jose Jan Willem Den
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:10
CPC Classifications
F; F02; F02G; F02G1/00; F02G1/04; F02G1/043; F02G1/053; F02G1/0535; F02G2243/00; F02G2243/02; F02G2243/04; F02G2243/08; F02G2253/00; F02G2253/02; Y; Y10; Y10S; Y10S417/00; Y10S417/01
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) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |