US3081252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe plug anode
Assignee: CHEMIONICS ENGINEERING LAB Inc
•
Filing: 1959-09-30
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Granted: 1963-03-12
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Expires: 1979-09-30
Abstract
No abstract record available.
Inventors
- 👤 Herman S Preiser
- 👤 Frank E Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:41
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F13/08; C23F13/18; F; F04; F04D; F04D7/00; F04D7/02; F04D7/06; F05; F05D; F05D2260/00; F05D2260/95
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
AN ARTICLE OF MANUFACTURE ADAPTED TO BE SCREWED IN A WALL AS PART OF A CATHODIC PROTECTION SYSTEM, COMPRISING A PLASTIC PLUG, SAID PLUG COMPRISING A THREE-SECTION IN SULATING BODY CONSISTING OF A ROUND FIRST THREADED SECTION PROVIDING AN INNER END-PORTION FOR SAID PLUG AND ADAPTED TO BE SCREWED IN A WALL, A NUT SECTION CONTIGUOUS TO SAID THREADED SECTION AND ADAPTED TO BE OPERATED BY STANDARD TOOLS FOR TIGHTENING THE PLUG IN THE WALL, AND A ROUND SECONE THREADED CONTACT SECTION CONTIGUOUS TO SAID NUT SECTION PROVIDING AN OUTER END-PORTION FOR SAID PLUG AND ADAPTED TO RECEIVE A STANDARD SCREW CONNECTOR, SAID FIRST ITS CIRCUMFERENCE AS THE PLUG IS TIGHTENED IN THE WALL, SAID STEM BEING SLIGHTLY SHORTER THAN SAID INSULATING BODY, AN METALLIC STEM WATER-TIGHTLY NON-DETACHABLY FIXED IN SAID HOLE HAVING A SMALL DIAMETER AS COMPARED WITH SAID FIRST THREADED SECTION WHEREBY THE PLUG MAY DEFORM AROUND ITS CIRCUMFERENCE AS THE PLUG MAY DEFORM AROUND STEM BEING SLIGHTLY SHORTER THAN SAID INSULATING BODY, AN ANODE DISC HAVING A DIAMETER LARGER THAN SAID STEM AND
Claim 2
Dependent Claim
176 words
AN ARTICLE OF MANUFACTURE ADAPTED TO BE SCREWED IN A WALL AS PART OF A CATHODIC PROTECTION SYSTEM, COMPRISING A PLASTIC PLUG, SAID PLUG COMPRISING A THREE-SECTION IN SULATING BODY CONSISTING OF A ROUND FIRST THREADED SECTION PROVIDING AN INNER END-PORTION FOR SAID PLUG AND ADAPTED TO BE SCREWED IN A WALL, A NUT SECTION CONTIGUOUS TO SAID THREADED SECTION AND ADAPTED TO BE OPERATED BY STANDARD TOOLS FOR TIGHTENING THE PLUG IN THE WALL, AND A ROUND SECONE THREADED CONTACT SECTION CONTIGUOUS TO SAID NUT SECTION PROVIDING AN OUTER END-PORTION FOR SAID PLUG AND ADAPTED TO RECEIVE A STANDARD SCREW CONNECTOR, SAID FIRST ITS CIRCUMFERENCE AS THE PLUG IS TIGHTENED IN THE WALL, SAID STEM BEING SLIGHTLY SHORTER THAN SAID INSULATING BODY, AN METALLIC STEM WATER-TIGHTLY NON-DETACHABLY FIXED IN SAID HOLE HAVING A SMALL DIAMETER AS COMPARED WITH SAID FIRST THREADED SECTION WHEREBY THE PLUG MAY DEFORM AROUND ITS CIRCUMFERENCE AS THE PLUG MAY DEFORM AROUND STEM BEING SLIGHTLY SHORTER THAN SAID INSULATING BODY, AN ANODE DISC HAVING A DIAMETER LARGER THAN SAID STEM AND
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |