US3170026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circulation system for fluid in pipes carrying electric cables
Assignee: Individual
•
Filing: 1962-04-30
•
Granted: 1965-02-16
•
Expires: 1982-04-30
Abstract
No abstract record available.
Inventors
- 👤 Riley D Woodson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:27
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/17; H01B7/29; Y; Y10; Y10T; Y10T137/00; Y10T137/6416; Y10T137/6579
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
IN A CIRCULATION SYSTEM FOR FLUID IN A PIPE CARRYING ELECTRIC CABLES; TUBE MEANS CARRIED WITHIN SAID PIPE EXTERIORLY OF THE CABLES; AND A PUMP COUPLED TO ONE END OF SAID TUBES FOR INTRODUCING FLUID THEREINTO, THE INTAKE OF SAID PUMP BEING IN COMMUNICATION WITH SAID PIPE WHEREBY TO DRAW FLUID THEREFROM, THE OTHER END OF SAID
Claim 2
Dependent Claim
57 words
IN A CIRCULATION SYSTEM FOR FLUID IN A PIPE CARRYING ELECTRIC CABLES; TUBE MEANS CARRIED WITHIN SAID PIPE EXTERIORLY OF THE CABLES; AND A PUMP COUPLED TO ONE END OF SAID TUBES FOR INTRODUCING FLUID THEREINTO, THE INTAKE OF SAID PUMP BEING IN COMMUNICATION WITH SAID PIPE WHEREBY TO DRAW FLUID THEREFROM, THE OTHER END OF SAID
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) | 1968-02-16 | 1968-08-17 | 1969-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-16 | 1972-08-17 | 1973-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-16 | 1976-08-17 | 1977-02-16 | $7700.00 | Window Closed / Lapsed |