US3265295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump
Assignee: New York Air Brake LLC
•
Filing: 1964-07-31
•
Granted: 1966-08-09
•
Expires: 1984-07-31
Abstract
No abstract record available.
Inventors
- 👤 Cyr Robroy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:58
CPC Classifications
F; F04; F04C; F04C29/00; F04C29/0007; F04C29/0014; F04C29/02; F04C29/021; Y; Y10; Y10S; Y10S418/00; Y10S418/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
IN AN OIL-SEALED MECHANICAL VACUUM PUMPING MEANS, OF THE TYPE INCLUDING A LUBRICANT RESERVOIR OPEN TO ATMOSPHERE AND ELEVATED WITH RESPECT TO THE PUMPING MEANS AND A LUBRICATING LINE LEADING FROM SAID RESERVOIR TO THE INTERIOR OF THE PUMPING MEANS THROUGH ITS BEARING CLEARANCES, THE IMPROVEMENT COMPRISING: (A) A CONNECTION FROM SAID RESERVOIR DIRECTLY TO THE SUCTION CONNECTION OF THE PUMPING MEANS AND THROUGH WHICH LUBRICANT MAY FLOW BY GRAVITY;
Claim 2
Dependent Claim
70 words
IN AN OIL-SEALED MECHANICAL VACUUM PUMPING MEANS, OF THE TYPE INCLUDING A LUBRICANT RESERVOIR OPEN TO ATMOSPHERE AND ELEVATED WITH RESPECT TO THE PUMPING MEANS AND A LUBRICATING LINE LEADING FROM SAID RESERVOIR TO THE INTERIOR OF THE PUMPING MEANS THROUGH ITS BEARING CLEARANCES, THE IMPROVEMENT COMPRISING: (A) A CONNECTION FROM SAID RESERVOIR DIRECTLY TO THE SUCTION CONNECTION OF THE PUMPING MEANS AND THROUGH WHICH LUBRICANT MAY FLOW BY GRAVITY;
References Cited (Backward Citations)
US2285426A
Cited
US2301034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |