Patent US2758897A successfully refreshed from Google Patents.
US2758897A
Expired / Lapsed
US
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Piston and rod connection
Assignee: Ingersoll Rand Co
•
Filing: 1953-12-01
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Granted: 1956-08-14
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Expires: 1973-12-01
Abstract
No abstract record available.
Inventors
- 👤 Naab Julius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:05
CPC Classifications
F; F16; F16J; F16J1/00; F16J1/10; F16J1/12; F16B; F16B2200/00; F16B2200/69
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191401404A
Cited
US1222923A
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US1520852A
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US1395814A
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US1904126A
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US2105743A
Cited
US2365031A
Cited
US2413347A
Cited
US2606531A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-14 | 1960-02-13 | 1960-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-14 | 1964-02-13 | 1964-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-14 | 1968-02-13 | 1968-08-14 | $7700.00 | Window Closed / Lapsed |