US2984189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inducer for a rotating pump
Assignee: Worthington Corp
•
Filing: 1958-08-07
•
Granted: 1961-05-16
•
Expires: 1978-08-07
Abstract
No abstract record available.
Inventors
- 👤 Walter K Jekat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:06
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/18; F04D29/22; F04D29/2261; F04D29/2277; F04D29/186
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1337659A
Cited
DE462853C
Cited
FR710725A
Cited
US2693148A
Cited
US2659311A
Cited
GB686102A
Cited
US2700344A
Cited
GB715634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |