Patent US2259139A successfully refreshed from Google Patents.
US2800254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Follower for lubricant pumps
Assignee: Stewart Warner Corp
•
Filing: 1954-11-22
•
Granted: 1957-07-23
•
Expires: 1974-11-22
Abstract
No abstract record available.
Inventors
- 👤 Henry T Dinkelkamp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:01
CPC Classifications
F; F16; F16N; F16N13/00; Y; Y10; Y10S; Y10S277/00; Y10S277/91
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1214801A
Cited
US1270835A
Cited
US1723269A
Cited
US1955339A
Cited
US2151684A
Cited
US2336457A
Cited
US2660491A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-22 | 1961-01-21 | 1961-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-22 | 1965-01-21 | 1965-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-22 | 1969-01-21 | 1969-07-23 | $7700.00 | Window Closed / Lapsed |