US3108499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for severing section of fluid pipeline therefrom
Assignee: Individual
•
Filing: 1960-09-28
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Granted: 1963-10-29
•
Expires: 1980-09-28
Abstract
No abstract record available.
Inventors
- 👤 John R Duncan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:44
CPC Classifications
F; F16; F16L; F16L41/00; F16L41/08; F16L41/16; F16L55/00; F16L55/10; F16L55/105; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0402; Y10T137/0441; Y10T137/0458; Y10T137/598; Y10T137/612; Y10T137/6123
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
IN A METHOD OF SEVERING A SECTION OF A CYLINDRICAL PIPELINE, THE STEPS OF ENCASING A PORTION OF SAID PIPELINE IN A FLUID TIGHT CHAMBER, SUPPORTING A CUTTING TOOL ADJACENT THE PERIPHERY OF SAID PORTION OF SAID PIPELINE FOR ORBITAL MOVEMENTS THEREAROUND WITHIN SAID CHAMBER, AND THEN MOVING SAID CUTTING TOOL BY INTERMITTENTLY APPLYING A PLURALITY OF FORCES TO SAID TOOL AT SPACED POINTS ABOUT SAID
Claim 2
Dependent Claim
66 words
IN A METHOD OF SEVERING A SECTION OF A CYLINDRICAL PIPELINE, THE STEPS OF ENCASING A PORTION OF SAID PIPELINE IN A FLUID TIGHT CHAMBER, SUPPORTING A CUTTING TOOL ADJACENT THE PERIPHERY OF SAID PORTION OF SAID PIPELINE FOR ORBITAL MOVEMENTS THEREAROUND WITHIN SAID CHAMBER, AND THEN MOVING SAID CUTTING TOOL BY INTERMITTENTLY APPLYING A PLURALITY OF FORCES TO SAID TOOL AT SPACED POINTS ABOUT 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) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |