Patent US3280941A successfully refreshed from Google Patents.
US3280941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compact central lubrication system
Assignee: Individual
•
Filing: 1964-08-05
•
Granted: 1966-10-25
•
Expires: 1984-08-05
Abstract
No abstract record available.
Inventors
- 👤 Fischer Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:40
CPC Classifications
F; F16; F16N; F16N7/00; F16N7/38; F16N7/385; F16N2200/00; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2499; Y10T137/2509
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A LUBRICATION CONTROL UNIT FOR BOTTOL HANDLING MACHINES OF THE TYPE HAVING A PROGRESSING CONVEYOR CHAIN, COMPRISING A LIQUID LUBRICANT SUPPLY SOURCE, A MIXING TANK, MEANS FOR TRANSFERRING LUBRICANT FROM THE SOURCE TO THE TANK, FLOAT CONTROLLED MEANS AT A LOWER LEVEL TO LIMIT FLOW OF LUBRICANT INTO THE TANK, SEPARATE MEANS FOR SUPPLYING A DILUTANT TO THE TANK, MEANS FOR AGITATING AND MIXING THE LUBRICANT AND DILUTANT WITHIN THE TANK, ADDITIONAL MEANS INCLUDING A FLOAT EFFECTIVE AT A HIGHER LEVEL FOR LIMITING THE SUPPLY OF DILUTANT AND THE TOTAL QUANTITY OF MIX IN TANK, A CONDUCTIVITY METER ASSOCIATED WITH THE MIX, AND MEANS INDEPENDENT OF THE FLOAT CONTROLLED BY THE METER FOR LIMITING THE SUPPLY OF DILUTANT TO REGULATE THE PROPORTIONS OF LUBRICANT AND DILUTANT IN THE MIX.
Claim 2
Dependent Claim
129 words
A LUBRICATION CONTROL UNIT FOR BOTTOL HANDLING MACHINES OF THE TYPE HAVING A PROGRESSING CONVEYOR CHAIN, COMPRISING A LIQUID LUBRICANT SUPPLY SOURCE, A MIXING TANK, MEANS FOR TRANSFERRING LUBRICANT FROM THE SOURCE TO THE TANK, FLOAT CONTROLLED MEANS AT A LOWER LEVEL TO LIMIT FLOW OF LUBRICANT INTO THE TANK, SEPARATE MEANS FOR SUPPLYING A DILUTANT TO THE TANK, MEANS FOR AGITATING AND MIXING THE LUBRICANT AND DILUTANT WITHIN THE TANK, ADDITIONAL MEANS INCLUDING A FLOAT EFFECTIVE AT A HIGHER LEVEL FOR LIMITING THE SUPPLY OF DILUTANT AND THE TOTAL QUANTITY OF MIX IN TANK, A CONDUCTIVITY METER ASSOCIATED WITH THE MIX, AND MEANS INDEPENDENT OF THE FLOAT CONTROLLED BY THE METER FOR LIMITING THE SUPPLY OF DILUTANT TO REGULATE THE PROPORTIONS OF LUBRICANT AND DILUTANT IN THE MIX.
References Cited (Backward Citations)
US2748790A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |