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Patent US3369715A successfully refreshed from Google Patents.
US3369715A
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US
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Submerged pumping system
Assignee: JC CARTER COMPANY Inc A CORP OF
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Filing: 1966-05-10
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Granted: 1968-02-20
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Expires: 1986-05-10
Abstract
No abstract record available.
Inventors
- 👤 James C Carter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:56
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/60; F04D29/605; F04D29/606; F04D29/608; F04D7/00; F04D7/02; F04D9/00; F04D9/001; F04D9/002; Y; Y10; Y10S; Y10S415/00; Y10S415/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1428238A
Cited
US2034419A
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GB557524A
Cited
US2425957A
Cited
US3000543A
Cited
US2978150A
Cited
US3072069A
Cited
US3112049A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |