US3124361A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump drive assembly with fluid seal
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
•
Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:11
CPC Classifications
F; F04; F04C; F04C15/00; F04C15/0057; F04C15/0061; Y; Y10; Y10S; Y10S277/00; Y10S277/911; Y10S277/912; Y10S277/917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
IN A PUMP DRIVE ASSEMBLY, A DRIVING SHAFT HAVING A PORTION WITH AN EXTERNAL, CURVIFORM SURFACE, A DRIVEN SHAFT COAXIALLY JOURNALLED WITH RESPECT TO SAID DRIVING SHAFT, SAID SHAFTS BEING SUBJECT TO MISALIGNMENT, SAID DRIVEN SHAFT HAVING A PORTION WITH AN INTERNAL, COMPLEMENTARY SURFACE, MEANS URGING SAID INTERNAL AND EXTERNAL SURFACES INTO ENGAGEMENT TO MAINTAIN A FLUID SEAL BETWEEN SAID SURFACES, AND SHEARABLE MEANS CONNECTING SAID DRIVING AND DRIVEN SHAFTS TOGETHER FOR COJOINT ROTATION.
Claim 2
Dependent Claim
74 words
IN A PUMP DRIVE ASSEMBLY, A DRIVING SHAFT HAVING A PORTION WITH AN EXTERNAL, CURVIFORM SURFACE, A DRIVEN SHAFT COAXIALLY JOURNALLED WITH RESPECT TO SAID DRIVING SHAFT, SAID SHAFTS BEING SUBJECT TO MISALIGNMENT, SAID DRIVEN SHAFT HAVING A PORTION WITH AN INTERNAL, COMPLEMENTARY SURFACE, MEANS URGING SAID INTERNAL AND EXTERNAL SURFACES INTO ENGAGEMENT TO MAINTAIN A FLUID SEAL BETWEEN SAID SURFACES, AND SHEARABLE MEANS CONNECTING SAID DRIVING AND DRIVEN SHAFTS TOGETHER FOR COJOINT ROTATION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |