US2731315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piston with means for removing same from rod
Assignee: PIONEER SPECIALTIES Inc
•
Filing: 1951-10-29
•
Granted: 1956-01-17
•
Expires: 1971-10-29
Abstract
No abstract record available.
Inventors
- 👤 Walter L Church
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:41
CPC Classifications
F; F16; F16J; F16J1/00; F16J1/10; F16J1/12; B; B25; B25B; B25B27/00; B25B27/02; B25B27/023; F04; F04B; F04B53/00; F04B53/14; F04B53/143; F04B53/144; F04B53/147
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2211456A
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US2318757A
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US2484474A
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US2566994A
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US2450693A
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US2597829A
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US2470541A
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US2596703A
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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) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |