Patent US2678247A successfully refreshed from Google Patents.
US2678247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Long-stroke fluid serov
Assignee: Motors Liquidation Co
•
Filing: 1949-04-23
•
Granted: 1954-05-11
•
Expires: 1969-04-23
Abstract
No abstract record available.
Inventors
- 👤 Howard M Geyer
- 👤 Paul T Keim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:42
CPC Classifications
F; F16; F16J; F16J10/00; F16J10/02; E; E21; E21D; E21D15/00; E21D15/005; F15; F15B; F15B15/00; F15B15/08; F15B15/14; F15B15/1423; F15B15/1428; F15B15/1438; F16J10/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US140643A
Cited
US1396243A
Cited
US1019507A
Cited
US1051339A
Cited
US1078444A
Cited
US1088491A
Cited
US1597249A
Cited
US1827246A
Cited
US2207921A
Cited
US2246535A
Cited
US2246392A
Cited
US2390425A
Cited
US2492006A
Cited
US2518787A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-10 | 1957-11-09 | 1958-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-10 | 1961-11-09 | 1962-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-10 | 1965-11-09 | 1966-05-11 | $7700.00 | Window Closed / Lapsed |