US2865299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjusting device for pump impellers
Assignee: Ingersoll Rand Co
•
Filing: 1954-06-14
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Granted: 1958-12-23
•
Expires: 1974-06-14
Abstract
No abstract record available.
Inventors
- 👤 Hornschuch Hanns
- 👤 Brkich Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:25
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/04; F04D29/042; F04D29/043; F04D29/044; F04D29/60; F04D29/62; F04D29/622; F04D7/00; F04D7/02; F04D7/04; F16; F16B; F16B2200/00; F16B2200/50; F16B2200/506
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1519391A
Cited
US1522980A
Cited
US1962229A
Cited
US1991761A
Cited
US2658454A
Cited
DE847386C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |