Patent US1998931A successfully refreshed from Google Patents.
US3095221A
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Piston construction
Assignee: Linde GmbH
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Filing: 1961-10-25
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Granted: 1963-06-25
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Expires: 1981-10-25
Abstract
No abstract record available.
Inventors
- 👤 Kaup Otmar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:42
CPC Classifications
F; F16; F16J; F16J1/00; F16J1/10; F16J1/14; F16J1/22; F16B; F16B2200/00; F16B2200/10; Y; Y10; Y10T; Y10T403/00; Y10T403/40; Y10T403/405; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/18336
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A PISTON PARTICULARLY ADAPTED FOR A SWASH-PLATE AXIAL-PISTON UNIT, AND COMPRISING A PISTON BODY HAVING A DEPENDING SKIRT PORTION ON ONE END THEREOF, A CONNECTING ROD PIVOTALLY CONNECTED TO SAID ONE END OF SAID PISTON BODY WITH A MAJOR PORTION OF SAID ROD EXTENDING WITHIN SAID SKIRT PORTION, AND A LAYER OF RESILIENT MATERIAL ON THE PORTION OF THE CONNECTING ROD WITHIN SAID SKIRT PORTION AND THE INNER SURFACE OF SAID SKIRT PORTION.
Claim 2
Dependent Claim
73 words
A PISTON PARTICULARLY ADAPTED FOR A SWASH-PLATE AXIAL-PISTON UNIT, AND COMPRISING A PISTON BODY HAVING A DEPENDING SKIRT PORTION ON ONE END THEREOF, A CONNECTING ROD PIVOTALLY CONNECTED TO SAID ONE END OF SAID PISTON BODY WITH A MAJOR PORTION OF SAID ROD EXTENDING WITHIN SAID SKIRT PORTION, AND A LAYER OF RESILIENT MATERIAL ON THE PORTION OF THE CONNECTING ROD WITHIN SAID SKIRT PORTION AND THE INNER SURFACE OF SAID SKIRT PORTION.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |