US2418707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant seal
Assignee: General Electric Co
•
Filing: 1944-05-27
•
Granted: 1947-04-08
•
Expires: 1964-05-27
Abstract
No abstract record available.
Inventors
- 👤 Robert W Groot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:32
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/164; F16C; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F16C2380/00; F16C2380/26; F16C2380/27
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1166201A
Cited
US1337881A
Cited
GB411419A
Cited
GB460671A
Cited
US2140356A
Cited
US2076747A
Cited
US2171968A
Cited
US2144691A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-07 | 1950-10-07 | 1951-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-07 | 1954-10-07 | 1955-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-07 | 1958-10-07 | 1959-04-08 | $7700.00 | Window Closed / Lapsed |