US3318074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas pipeline drip system
Assignee: Individual
•
Filing: 1965-08-16
•
Granted: 1967-05-09
•
Expires: 1985-08-16
Abstract
No abstract record available.
Inventors
- 👤 Sr Ben Robert Keller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:48
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
LIQUID REMOVAL MEANS FOR A HIGH PRESSURE GAS PIPELINE WHICH COMPRISES: (A) AN UNOBSTRUCTED PIPELINE SECTION HAVING A CLOSURE MEANS AT THE END THEREOF, (B) CONDUIT MEANS EXTENDING UPWARD FROM SAID PIPELINE SECTION FOR DIRECTING A CONTINUOUS FLOW OF GAS FROM SAID PIPELINE AT A POINT SPACED FROM SAID END WITH AN ABRUPT CHANGE IN DIRECTION OF GAS FLOW AT SAID POINT, (C) A LIQUID RESERVOIR POSITIONED BELOW SAID POINT, AND (D) A FLOW CHANNEL LEADING TO SAID RESERVOIR FROM A BOTTOM OPENING IN SAID PIPELINE SECTION LOCATED DIRECTLY OPPOSITE THE LOCATION OF SAID CONDUIT.
Claim 2
Dependent Claim
95 words
LIQUID REMOVAL MEANS FOR A HIGH PRESSURE GAS PIPELINE WHICH COMPRISES: (A) AN UNOBSTRUCTED PIPELINE SECTION HAVING A CLOSURE MEANS AT THE END THEREOF, (B) CONDUIT MEANS EXTENDING UPWARD FROM SAID PIPELINE SECTION FOR DIRECTING A CONTINUOUS FLOW OF GAS FROM SAID PIPELINE AT A POINT SPACED FROM SAID END WITH AN ABRUPT CHANGE IN DIRECTION OF GAS FLOW AT SAID POINT, (C) A LIQUID RESERVOIR POSITIONED BELOW SAID POINT, AND (D) A FLOW CHANNEL LEADING TO SAID RESERVOIR FROM A BOTTOM OPENING IN SAID PIPELINE SECTION LOCATED DIRECTLY OPPOSITE THE LOCATION OF SAID CONDUIT.
References Cited (Backward Citations)
US2614648A
Cited
US2507273A
Cited
US2557788A
Cited
US2812034A
Cited
FR1325556A
Cited
US3176501A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |