Patent US3035879A successfully refreshed from Google Patents.
US3035879A
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US
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Means for centering the piston of a piston compressor
Assignee: Sulzer AG
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Filing: 1959-03-10
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Granted: 1962-05-22
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Expires: 1979-03-10
Abstract
No abstract record available.
Inventors
- 👤 Hanny Jost
- 👤 Zurcher Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:47
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/44; F04; F04B; F04B39/00; F04B39/04; F04B39/041; F04B39/045; F04B53/00; F04B53/008; F16J1/00; F16J1/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US268684A
Cited
US1775892A
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US2064969A
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FR975617A
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US2623501A
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DE856247C
Cited
US2833602A
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US2802706A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |