US3208036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Re-inforced lead wires
Assignee: AMF Inc
•
Filing: 1961-10-09
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Granted: 1965-09-21
•
Expires: 1981-10-09
Abstract
No abstract record available.
Inventors
- 👤 Harrison William Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:26
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/02; H01F41/04; H01F41/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A RE-INFORCED ELECTRICAL COIL LEAD COMPRISING A COIL LEAD WIRE OF SMALL DIAMETER AND TERMINATING IN A FREE END; A RE-INFORCING STRAND OF SUBSTANTIALLY LARGER DIAMETER THAN SAID COIL LEAD WIRE AND HAVING TWO FREE ENDS, THE CENTRAL PORTION OF SAID RE-INFORCING STRAND EXTENDING IN TGE FORM OF A SMALL CLOSED FREE LOOP AND THE PORTIONS OF SAID RE-INFORCING STRAND BETWEEN SAID LOOP AND THE FREE ENDS OF SAID STRAND BEING TWISTED TOGETHER IN THE FORM OF TWO SIDE-BY-SIDE HELICES HAVING A COMMON CENTRAL AXIS, SAID HELICES DEFINING A CONTINUOUS HELICAL VALLEY, SAID COIL LEAD WIRE EXTENDING FROM ITS FREE END ALONG SAID CONTINUOUS HELICAL VALLEY AND BEING NESTED THEREIN, SAID COIL LEAD WIRE EMERGING THROUGH SAID CLOSED FREE LOOP AND SAID LOOP BEING ADJACENT TO THE EMERGING PORTION OF SAID COIL LEAD WIRE, SAID FREE ENDS OF SAID RE-INFORCING STRAND AND SAID FREE END OF SAID COIL LEAD WIRE ALL BEING MUTUALLY ADJACENT; AND AN ELECTRICAL TERMINAL MEMBER TO WHICH ALL OF SAID FREE ENDS ARE PHYSICALLY ATTACHED AND ELECTRICALLY CONNECTED.
Claim 2
Dependent Claim
172 words
A RE-INFORCED ELECTRICAL COIL LEAD COMPRISING A COIL LEAD WIRE OF SMALL DIAMETER AND TERMINATING IN A FREE END; A RE-INFORCING STRAND OF SUBSTANTIALLY LARGER DIAMETER THAN SAID COIL LEAD WIRE AND HAVING TWO FREE ENDS, THE CENTRAL PORTION OF SAID RE-INFORCING STRAND EXTENDING IN TGE FORM OF A SMALL CLOSED FREE LOOP AND THE PORTIONS OF SAID RE-INFORCING STRAND BETWEEN SAID LOOP AND THE FREE ENDS OF SAID STRAND BEING TWISTED TOGETHER IN THE FORM OF TWO SIDE-BY-SIDE HELICES HAVING A COMMON CENTRAL AXIS, SAID HELICES DEFINING A CONTINUOUS HELICAL VALLEY, SAID COIL LEAD WIRE EXTENDING FROM ITS FREE END ALONG SAID CONTINUOUS HELICAL VALLEY AND BEING NESTED THEREIN, SAID COIL LEAD WIRE EMERGING THROUGH SAID CLOSED FREE LOOP AND SAID LOOP BEING ADJACENT TO THE EMERGING PORTION OF SAID COIL LEAD WIRE, SAID FREE ENDS OF SAID RE-INFORCING STRAND AND SAID FREE END OF SAID COIL LEAD WIRE ALL BEING MUTUALLY ADJACENT; AND AN ELECTRICAL TERMINAL MEMBER TO WHICH ALL OF SAID FREE ENDS ARE PHYSICALLY ATTACHED AND ELECTRICALLY CONNECTED.
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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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |