Patent US2673273A successfully refreshed from Google Patents.
US2673273A
Expired / Lapsed
US
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Distributor breaker arm
Assignee: Electric Auto Lite Co
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Filing: 1948-01-26
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Granted: 1954-03-23
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Expires: 1968-01-26
Abstract
No abstract record available.
Inventors
- 👤 Leo L Vasold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:38
CPC Classifications
H; H01; H01H; H01H11/00; H01H11/04; H01H11/041; H01H11/045; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/929; Y10T; Y10T428/00; Y10T428/12; Y10T428/12229; Y10T428/12236; Y10T428/1225; Y10T428/12264; Y10T428/12354; Y10T428/12493; Y10T428/12771; Y10T428/12806; Y10T428/12826; Y10T428/1284; Y10T428/12861; Y10T428/12903; Y10T428/1291; Y10T428/12917; Y10T428/12924; Y10T428/12931
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
AN IGNITION BREAKER ARM STRUCTURE COMPRISING A HIGH CARBON STEEL ARM, AN OVERALL SEALING COVER SOLELY OF NICKEL DIRECTLY ENCLOSING SAID ARM, A TUNGSTEN INTERRUPTER CONTACT BRAZED TO SAID NICKEL SEALING COVER, THE BRAZING OF SAID CONTACT TO SAID NICKEL SEALING COVER SECURED BY A CUPROUS BRAZING ALLOY HAVING A MELTING POINT BELOW THAT OF SAID NICKEL COVER RANGING BETWEEN 1600* F. TO 2100* F. FUSED THEREBETWEEN, THE SAID ARM HAVING LAMELLAR PEARLITE CHARACTERISTIC AND A CARBON CONTENT RANGING FROM 0.65% TO 0.80% WITH A HARDNESS RANGING FROM 30 TO 45 ROCKWELL IN THE "C" SCALE HAVING SUFFICIENT DUCTILITY TO PERMIT BENDING PORTIONS OF THE ARM TO WIDE ANGLES WAITHOUT FRACTURE.
Claim 2
Dependent Claim
111 words
AN IGNITION BREAKER ARM STRUCTURE COMPRISING A HIGH CARBON STEEL ARM, AN OVERALL SEALING COVER SOLELY OF NICKEL DIRECTLY ENCLOSING SAID ARM, A TUNGSTEN INTERRUPTER CONTACT BRAZED TO SAID NICKEL SEALING COVER, THE BRAZING OF SAID CONTACT TO SAID NICKEL SEALING COVER SECURED BY A CUPROUS BRAZING ALLOY HAVING A MELTING POINT BELOW THAT OF SAID NICKEL COVER RANGING BETWEEN 1600* F. TO 2100* F. FUSED THEREBETWEEN, THE SAID ARM HAVING LAMELLAR PEARLITE CHARACTERISTIC AND A CARBON CONTENT RANGING FROM 0.65% TO 0.80% WITH A HARDNESS RANGING FROM 30 TO 45 ROCKWELL IN THE "C" SCALE HAVING SUFFICIENT DUCTILITY TO PERMIT BENDING PORTIONS OF THE ARM TO WIDE ANGLES WAITHOUT FRACTURE.
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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) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |