US3122101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearingless pump
Assignee: North American Aviation Corp
•
Filing: 1960-09-22
•
Granted: 1964-02-25
•
Expires: 1980-09-22
Abstract
No abstract record available.
Inventors
- 👤 Richard S Baker
- 👤 Goldstein Irwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:55
CPC Classifications
F; F16; F16C; F16C32/00; F16C32/06; F16C32/0681; F16C32/0696; F04; F04D; F04D29/00; F04D29/18; F04D29/186; Y; Y10; Y10S; Y10S415/00; Y10S415/914
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A FLUID PUMP COMPRISING A HOUSING, SAID HOUSING HAVING TWO SECTIONS, AN INLET BETWEEN SAID SECTIONS, AXIAL OUTLETS AT THE ENDS OF SAID SECTIONS, A HOLLOW ROTOR HAVING TWO INTEGRAL SECTIONS POSITIONED WITHIN SAID HOUSING AND HAVING A FLUID INLET COMMUNICATING WITH THE INTERIOR OF SAID ROTOR LOCATED BETWEEN SAID ROTOR SECTIONS AND ADJACENT SAID HOUSING INLET, MEANS FOR FORCING FLUID THROUGH EACH OF SAID ROTOR SECTIONS IN OPPOSITE DIRECTIONS FROM
Claim 2
Dependent Claim
71 words
A FLUID PUMP COMPRISING A HOUSING, SAID HOUSING HAVING TWO SECTIONS, AN INLET BETWEEN SAID SECTIONS, AXIAL OUTLETS AT THE ENDS OF SAID SECTIONS, A HOLLOW ROTOR HAVING TWO INTEGRAL SECTIONS POSITIONED WITHIN SAID HOUSING AND HAVING A FLUID INLET COMMUNICATING WITH THE INTERIOR OF SAID ROTOR LOCATED BETWEEN SAID ROTOR SECTIONS AND ADJACENT SAID HOUSING INLET, MEANS FOR FORCING FLUID THROUGH EACH OF SAID ROTOR SECTIONS IN OPPOSITE DIRECTIONS FROM
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-24 | 1967-08-26 | 1968-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-24 | 1971-08-26 | 1972-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-24 | 1975-08-26 | 1976-02-25 | $7700.00 | Window Closed / Lapsed |