Patent US3016834A successfully refreshed from Google Patents.
US3016834A
Expired / Lapsed
US
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Rotary pumps
Assignee: Eaton Corp
•
Filing: 1957-10-07
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Granted: 1962-01-16
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Expires: 1977-10-07
Abstract
No abstract record available.
Inventors
- 👤 Theodore J Deska
- 👤 Harvey John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:25
CPC Classifications
F; F04; F04C; F04C11/00; F04C11/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US698539A
Cited
US1795040A
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US1927799A
Cited
US2358275A
Cited
US2490115A
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US2531808A
Cited
DE819195C
Cited
US2859698A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |