Patent US3439294A successfully refreshed from Google Patents.
US3439294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coaxial cable connector
Assignee: Amphenol Corp
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Filing: 1965-05-28
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Granted: 1969-04-15
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Expires: 1985-05-28
Abstract
No abstract record available.
Inventors
- 👤 James R Flanagan
- 👤 William M Zerlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:32
CPC Classifications
H; H01; H01R; H01R9/00; H01R9/03; H01R9/05; H01R9/0518
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
AN ELECTRICAL CONNECTOR FOR A RADIO FREQUENCY COAXIAL TRANSMISSION LINE HAVING AN INNER CONDUCTOR ENCIRCLED BY AN ANNULAR INSULATING LAYER AND A CONDUCTIVE SHIELD COMPRISING: A METALLIC BODY MEMBER HAVING A FORWARD CONTACT EXTENSION AND A REARWARDLY EXTENDING FERRULE PORTION, SAID BODY HAVING A CYLINDRICAL OPENING EXTENDING THROUGH SAID FERRULE PORTION TO A LARGER DIAMETER CYLINDRICAL OPENING COAXIAL THEREWITH AND EXTENDING THROUGH SAID CONTACT EXTENSION, AN INSULATING INSERT WHICH FITS INTO SAID LARGER DIAMETER OPENING, SAID INSERT HAVING A CENTRAL OPENING THROUGHOUT ITS LENGTH WITH AN ANNULAR LOCKING SHOULDER EXTENSION RADIALLY EXTENDING WITHIN THE CENTRAL OPENING OF THE INSERT AT A POINT INTERMEDIATE THE ENDS THEREOF, SAID INSERT ALSO HAVING AN IMPEDANCE COMPENSATING COUNTERBORE IN THE REARWARD END THEREOF, THE DIAMETER OF SAID IMPEDANCE COMPENSATING COUNTERBORE BEING GREATER THAN THE DIAMETER OF THE CYLINDRICAL OPENING THROUGH SAID FERRULE PORTION, AND
Claim 2
Dependent Claim
140 words
AN ELECTRICAL CONNECTOR FOR A RADIO FREQUENCY COAXIAL TRANSMISSION LINE HAVING AN INNER CONDUCTOR ENCIRCLED BY AN ANNULAR INSULATING LAYER AND A CONDUCTIVE SHIELD COMPRISING: A METALLIC BODY MEMBER HAVING A FORWARD CONTACT EXTENSION AND A REARWARDLY EXTENDING FERRULE PORTION, SAID BODY HAVING A CYLINDRICAL OPENING EXTENDING THROUGH SAID FERRULE PORTION TO A LARGER DIAMETER CYLINDRICAL OPENING COAXIAL THEREWITH AND EXTENDING THROUGH SAID CONTACT EXTENSION, AN INSULATING INSERT WHICH FITS INTO SAID LARGER DIAMETER OPENING, SAID INSERT HAVING A CENTRAL OPENING THROUGHOUT ITS LENGTH WITH AN ANNULAR LOCKING SHOULDER EXTENSION RADIALLY EXTENDING WITHIN THE CENTRAL OPENING OF THE INSERT AT A POINT INTERMEDIATE THE ENDS THEREOF, SAID INSERT ALSO HAVING AN IMPEDANCE COMPENSATING COUNTERBORE IN THE REARWARD END THEREOF, THE DIAMETER OF SAID IMPEDANCE COMPENSATING COUNTERBORE BEING GREATER THAN THE DIAMETER OF THE CYLINDRICAL OPENING THROUGH SAID FERRULE PORTION, 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) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |