Patent US3135629A successfully refreshed from Google Patents.
US3135629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipeline coating unit
Assignee: Harvest Queen Mill and Elevator Co
•
Filing: 1961-07-31
•
Granted: 1964-06-02
•
Expires: 1981-07-31
Abstract
No abstract record available.
Inventors
- 👤 Douglas K Mclean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:39
CPC Classifications
B; B05; B05C; B05C7/00; B05C7/06; B05C7/08; Y; Y10; Y10S; Y10S118/00; Y10S118/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
AN INTERIORLY OPERATING PIPELINE SYSTEM WHICH COMPRISES: (A) A PIPELINE COATING UNIT HAVING A PAIR OF PARTIALLY NESTED CUPS EACH FORMED TO ENGAGE THE WALL OF THE PIPELINE TO TWO LONGITUDINALLY SPACED ZONES, (B) A PAIR OF COATING CONSTITUENT STORAGE UNITS, (C) A TRACTION UNIT, (D) ARTICULATED COUPLINGS BETWEEN THE UNITS, (E) SAID TRACTION UNIT BEING PROVIDED WITH ROLLING MEANS INCLUDING AT LEAST ONE TRACTION WHEEL ADAPTED FOR FIRM FRICTIONAL ROLLING ENGAGEMENT WITH THE PIPELINE INSIDE SURFACE AND ADAPTED TO GENERATE PROPELLING AND BRAKING FORCES THROUGH SAID ROLLING MEANS, (F) GAS CONTROL MEANS FOR EACH OF SAID STORAGE UNITS, (G) FLOW LINES LEADING FROM SAID STORAGE UNITS, AND (H) A PUMP AND MIXER UNIT CONNECTED TO SAID FLOW LINES AND ADAPTED TO DELIVER A MIXTURE OF SAID CONSTITUENTS TO SAID COATING UNIT BETWEEN SAID CUPS.
Claim 2
Dependent Claim
135 words
AN INTERIORLY OPERATING PIPELINE SYSTEM WHICH COMPRISES: (A) A PIPELINE COATING UNIT HAVING A PAIR OF PARTIALLY NESTED CUPS EACH FORMED TO ENGAGE THE WALL OF THE PIPELINE TO TWO LONGITUDINALLY SPACED ZONES, (B) A PAIR OF COATING CONSTITUENT STORAGE UNITS, (C) A TRACTION UNIT, (D) ARTICULATED COUPLINGS BETWEEN THE UNITS, (E) SAID TRACTION UNIT BEING PROVIDED WITH ROLLING MEANS INCLUDING AT LEAST ONE TRACTION WHEEL ADAPTED FOR FIRM FRICTIONAL ROLLING ENGAGEMENT WITH THE PIPELINE INSIDE SURFACE AND ADAPTED TO GENERATE PROPELLING AND BRAKING FORCES THROUGH SAID ROLLING MEANS, (F) GAS CONTROL MEANS FOR EACH OF SAID STORAGE UNITS, (G) FLOW LINES LEADING FROM SAID STORAGE UNITS, AND (H) A PUMP AND MIXER UNIT CONNECTED TO SAID FLOW LINES AND ADAPTED TO DELIVER A MIXTURE OF SAID CONSTITUENTS TO SAID COATING UNIT BETWEEN SAID CUPS.
References Cited (Backward Citations)
US2106004A
Cited
US2194701A
Cited
US2333451A
Cited
US2399544A
Cited
US2698449A
Cited
US2887118A
Cited
US2910042A
Cited
US2865541A
Cited
FR1197088A
Cited
US3029027A
Cited
US3058137A
Cited
US3056155A
Cited
US3039428A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |