US2546258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid control means
Assignee: UNIVERSAL LUBRICATING SYSTEMS
•
Filing: 1946-09-04
•
Granted: 1951-03-27
•
Expires: 1966-09-04
Abstract
No abstract record available.
Inventors
- 👤 Richard R Farrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:54
CPC Classifications
F; F16; F16N; F16N3/00; F16N3/10; F16N3/12; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917; Y10T137/87981; Y10T137/87997; Y10T137/88005; Y10T137/88054; Y10T137/88062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US239645A
Cited
US715726A
Cited
US894087A
Cited
US1133682A
Cited
US1819381A
Cited
FR732435A
Cited
US1995377A
Cited
US2336282A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-26 | 1954-09-25 | 1955-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-26 | 1958-09-25 | 1959-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-26 | 1962-09-25 | 1963-03-27 | $7700.00 | Window Closed / Lapsed |