US3062601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piston cup
Assignee: HYPRO ENGINEERING Inc
•
Filing: 1961-01-16
•
Granted: 1962-11-06
•
Expires: 1981-01-16
Abstract
No abstract record available.
Inventors
- 👤 Harry J Sadler
- 👤 Ernest E Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:26
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3204; F16J15/322
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1075468A
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US2081040A
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US2512098A
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US2985358A
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US2914369A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |