US3270836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressurized lubricating system
Assignee: Siemens Industry Inc
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Filing: 1964-02-06
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Granted: 1966-09-06
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Expires: 1984-02-06
Abstract
No abstract record available.
Inventors
- 👤 Samuel S Rickley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:36
CPC Classifications
B; B21; B21B; B21B31/00; B21B31/07; B21B31/076; F; F16; F16N; F16N7/00; F16N7/38; F16N7/40; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85954
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A LUBRICATING SYSTEM FOR FORCING A LUBRICANT CONTINUOUSLY THROUGH A BEARING COMPRISING: A CLOSED TANK CONTAINING A SUPPLY OF SAID LUBRICANT; FEED PIPING LEADING FROM SAID TANK TO SAID BEARING; A SOURCE OF PRESSURIZED GAS CONNECTED TO SAID TANK, WHEREBY THE PRESSURE IN SAID TANK WILL FORCE SAID LUBRICANT CONTINUOUSLY INTO SAID BEARING; A SUMP TANK FOR RECEIVING LUBRICANT FROM SAID HEARING; AND, A PUMP OPERATED BY SAID SOURCE OF PRESSURIZED GAS FOR FORCING LUBRICANT FROM SAID SUMP TANK BACK INTO SAID CLOSED TANK, THEREBY MAINTAINING THE SUPPLY OF LUBRICANT IN SAID CLOSED TANK AT A RELATIVELY CONSTANT LEVEL.
Claim 2
Dependent Claim
99 words
A LUBRICATING SYSTEM FOR FORCING A LUBRICANT CONTINUOUSLY THROUGH A BEARING COMPRISING: A CLOSED TANK CONTAINING A SUPPLY OF SAID LUBRICANT; FEED PIPING LEADING FROM SAID TANK TO SAID BEARING; A SOURCE OF PRESSURIZED GAS CONNECTED TO SAID TANK, WHEREBY THE PRESSURE IN SAID TANK WILL FORCE SAID LUBRICANT CONTINUOUSLY INTO SAID BEARING; A SUMP TANK FOR RECEIVING LUBRICANT FROM SAID HEARING; AND, A PUMP OPERATED BY SAID SOURCE OF PRESSURIZED GAS FOR FORCING LUBRICANT FROM SAID SUMP TANK BACK INTO SAID CLOSED TANK, THEREBY MAINTAINING THE SUPPLY OF LUBRICANT IN SAID CLOSED TANK AT A RELATIVELY CONSTANT LEVEL.
References Cited (Backward Citations)
US934953A
Cited
US2545445A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |