US3427982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submersible pumps
Assignee: Flygt Corp
•
Filing: 1967-09-25
•
Granted: 1969-02-18
•
Expires: 1987-09-25
Abstract
No abstract record available.
Inventors
- 👤 Sixten Englesson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:42
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/26; F04; F04D; F04D29/00; F04D29/60; F04D29/605; F04D29/606; F04D29/607
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3018925A
Cited
US3136259A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |