US3063378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump construction
Assignee: GENERAL METALS CORP
•
Filing: 1961-01-17
•
Granted: 1962-11-13
•
Expires: 1981-01-17
Abstract
No abstract record available.
Inventors
- 👤 Charles H Hart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:50
CPC Classifications
F; F04; F04C; F04C15/00; F04C15/0042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1271970A
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US2420622A
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US2527941A
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US2695566A
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US2758548A
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US2772638A
Cited
US2746394A
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US2816511A
Cited
US2676548A
Cited
US2707441A
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US2864315A
Cited
US2756684A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |