US3246802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant cartridge
Assignee: Individual
•
Filing: 1962-10-03
•
Granted: 1966-04-19
•
Expires: 1982-10-03
Abstract
No abstract record available.
Inventors
- 👤 Fuhrmann Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:39
CPC Classifications
F; F16; F16N; F16N3/00; F16N3/10; F16N3/12; F16N19/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A CARTRIDGE OF THE TYPE DESCRIBED COMPRISING: (A) A COVER PORTION; (B) A BOTTOM PORTION; (C) A CYLINDRICAL WALL PORTION CONNECTING SAID COVER PORTION AND SAID BOTTOM PORTION AND DEFINING THEREWITH AN INTERIOR SPACE IN SAID CARTRIDGE; (D) SAID BOTTOM PORTION BEING OF RELATIVELY PLIABLE MATERIAL, SAID COVER PORTION BEING OF RELATIVELY RIGID MATERIAL, AND THE RIGIDITY OF SAID WALL PORTION GRADUALLY INCREASING IN A DIRECTION FRROM SAID BOTTOM PORTION TO SAID COVER PORTION; AND (E) DISCHARGE MEANS ON SAID COVER PORTION FOR OUTWARDLY DISCHARGING A FLUID FROM SAID INTERIOR SPACE, (1) SAID DISCHARGE MEANS INCLUDING PRESSURE RESPONSIVE ONE-WAY VALVE MEANS FOR PREVENTING FLOW OF FLUID INWARD OF SAID SPACE WHEN THE FLUID PRESSURE THEREIN IS LOWER THAN AN OUTSIDE PRESSURE.
Claim 2
Dependent Claim
121 words
A CARTRIDGE OF THE TYPE DESCRIBED COMPRISING: (A) A COVER PORTION; (B) A BOTTOM PORTION; (C) A CYLINDRICAL WALL PORTION CONNECTING SAID COVER PORTION AND SAID BOTTOM PORTION AND DEFINING THEREWITH AN INTERIOR SPACE IN SAID CARTRIDGE; (D) SAID BOTTOM PORTION BEING OF RELATIVELY PLIABLE MATERIAL, SAID COVER PORTION BEING OF RELATIVELY RIGID MATERIAL, AND THE RIGIDITY OF SAID WALL PORTION GRADUALLY INCREASING IN A DIRECTION FRROM SAID BOTTOM PORTION TO SAID COVER PORTION; AND (E) DISCHARGE MEANS ON SAID COVER PORTION FOR OUTWARDLY DISCHARGING A FLUID FROM SAID INTERIOR SPACE, (1) SAID DISCHARGE MEANS INCLUDING PRESSURE RESPONSIVE ONE-WAY VALVE MEANS FOR PREVENTING FLOW OF FLUID INWARD OF SAID SPACE WHEN THE FLUID PRESSURE THEREIN IS LOWER THAN AN OUTSIDE PRESSURE.
References Cited (Backward Citations)
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Cited
US972095A
Cited
US2009761A
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Cited
GB479077A
Cited
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Cited
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Cited
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Cited
GB798338A
Cited
US3027044A
Cited
US3143429A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |