US3048384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump for molten metal
Assignee: Metal Pumping Services Inc
•
Filing: 1959-12-08
•
Granted: 1962-08-07
•
Expires: 1979-12-08
Abstract
No abstract record available.
Inventors
- 👤 Victor D Sweeney
- 👤 Walter U Kaji
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:26
CPC Classifications
F; F27; F27D; F27D3/00; F27D3/14; B; B22; B22D; B22D39/00; F04; F04D; F04D7/00; F04D7/02; F04D7/06; F04D7/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2528210A
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US2493467A
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US2824520A
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DE954669C
Cited
US2808782A
Cited
US2779574A
Cited
US2948524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |