US2630069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic control unit for deep well jet pumps
Assignee: Individual
•
Filing: 1946-05-20
•
Granted: 1953-03-03
•
Expires: 1966-05-20
Abstract
No abstract record available.
Inventors
- 👤 Thaddeus S Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:35
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/18; F04D29/22; F04D29/2261; F04D29/2277; F04D9/00; F04D9/04; F04D9/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2046904A
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US2150799A
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US2291138A
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US2275627A
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US2275364A
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US2291760A
Cited
US2327637A
Cited
US2245256A
Cited
US2376071A
Cited
US2368367A
Cited
US2409561A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-02 | 1956-09-01 | 1957-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-02 | 1960-09-01 | 1961-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-02 | 1964-09-01 | 1965-03-03 | $7700.00 | Window Closed / Lapsed |