Patent US4407919A successfully refreshed from Google Patents.
US3243103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating arrangement for a pumping means
Assignee: Worthington Corp
•
Filing: 1964-05-21
•
Granted: 1966-03-29
•
Expires: 1984-05-21
Abstract
No abstract record available.
Inventors
- 👤 Friedrich O Bellmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:38
CPC Classifications
F; F04; F04C; F04C29/00; F04C29/02; F04C29/021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
197 words
AN APPARATUS FOR AUTOMATICALLY LUBRICATING A FLUID HANDLING MACHINE CONTAINING A LUBRICANT, COMPRISING: (A) A FLUID HANDLING MACHINE HAVING AN INLET AND EXHAUST OUTLET FOR THE INTAKE AND EXHAUSTION RESPECTIVELY, THE FLUID THERETHROUGH; (B) A CASING MOUNTED ABOUT SAID FLUID HANDLING MACHINE; (C) A SHELL HAVING AN EXHAUST PORT THEREIN, MOUNTED ABOUT SAID CASING AND JUXTAPOSED THEREWITH TO FORM A CHAMBER; (D) SAID CASING HAVING AN EXHAUST PASSAGE FORMED THEREIN, CONNECTED AT ONE END TO SAID EXHAUST OUTLET OF SAID FLUID HANDLING MACHINE AND IN FLUID FLOW COMMUNICATION THEREWITH, AND DISPOSED AT THE OTHER END SO AS TO BE IN FLUID FLOW COMMUNICATION WITH SAID CHAMBER AND SAID EXHAUST PORT OF SAID CHAMBER; (E) SAID CASING HAVING A LUBRICANT FLOW PASSAGE THEREIN, CONNECTED AT ONE END TO SAID INLET OF SAID FLUID HANDLING MACHINE AND IN FLUID FLOW COMMUNICATION THEREWITH, AND DISPOSED AT THE OTHER END SO AS TO BE IN FLUID FLOW COMMUNICATION WITH SAID CHAMBER; (F) SAID CASING HAVING AN AUTOMATIC VALVE MEANS THEREIN FOR REGULATING THE FLOW OF LUBRICANT THROUGH SAID LUBRICANT FLOW PASSAGE IN RESPONSE TO THE FLOW OF EXHAUST FLUID THROUGH SAID EXHAUST PASSAGE, WHEREBY SAID FLUID HANDLING MACHINE IS AUTOMATICALLY LUBRICATED.
Claim 2
Independent Claim
197 words
AN APPARATUS FOR AUTOMATICALLY LUBRICATING A FLUID HANDLING MACHINE CONTAINING A LUBRICANT, COMPRISING: (A) A FLUID HANDLING MACHINE HAVING AN INLET AND EXHAUST OUTLET FOR THE INTAKE AND EXHAUSTION RESPECTIVELY, THE FLUID THERETHROUGH; (B) A CASING MOUNTED ABOUT SAID FLUID HANDLING MACHINE; (C) A SHELL HAVING AN EXHAUST PORT THEREIN, MOUNTED ABOUT SAID CASING AND JUXTAPOSED THEREWITH TO FORM A CHAMBER; (D) SAID CASING HAVING AN EXHAUST PASSAGE FORMED THEREIN, CONNECTED AT ONE END TO SAID EXHAUST OUTLET OF SAID FLUID HANDLING MACHINE AND IN FLUID FLOW COMMUNICATION THEREWITH, AND DISPOSED AT THE OTHER END SO AS TO BE IN FLUID FLOW COMMUNICATION WITH SAID CHAMBER AND SAID EXHAUST PORT OF SAID CHAMBER; (E) SAID CASING HAVING A LUBRICANT FLOW PASSAGE THEREIN, CONNECTED AT ONE END TO SAID INLET OF SAID FLUID HANDLING MACHINE AND IN FLUID FLOW COMMUNICATION THEREWITH, AND DISPOSED AT THE OTHER END SO AS TO BE IN FLUID FLOW COMMUNICATION WITH SAID CHAMBER; (F) SAID CASING HAVING AN AUTOMATIC VALVE MEANS THEREIN FOR REGULATING THE FLOW OF LUBRICANT THROUGH SAID LUBRICANT FLOW PASSAGE IN RESPONSE TO THE FLOW OF EXHAUST FLUID THROUGH SAID EXHAUST PASSAGE, WHEREBY SAID FLUID HANDLING MACHINE IS AUTOMATICALLY LUBRICATED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |