Patent US2736625A successfully refreshed from Google Patents.
US2736625A
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Compressor piston construction
Assignee: Ingersoll Rand Co
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Filing: 1953-05-04
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Granted: 1956-02-28
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Expires: 1973-05-04
Abstract
No abstract record available.
Inventors
- 👤 Naab Julius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:00
CPC Classifications
F; F16; F16J; F16J1/00; F16J1/04; F16J1/06; F04; F04B; F04B39/00; F04B39/04; F04B39/041; F04B39/042; F16J1/005; F16J1/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US187762A
Cited
US2153025A
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US2092086A
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US2092087A
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US2105950A
Cited
GB494795A
Cited
US2456529A
Cited
US2557497A
Cited
US2696414A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |