Patent US3109055A successfully refreshed from Google Patents.
US3109055A
Expired / Lapsed
US
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Hermetic seal terminal
Assignee: AT&T Inc
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Filing: 1961-12-19
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Granted: 1963-10-29
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Expires: 1981-12-19
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Ziegler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:17
CPC Classifications
H; H01; H01B; H01B17/00; H01B17/26; H01B17/30; H01B17/303; H01B17/306; H01B17/308; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49909; Y10T29/49913; Y10T29/49925; Y10T29/49927; Y10T29/49929
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
A HIGH PRESSURE HERMETIC SEAL TERMINAL COMPRISING AN INTERNALLY THREADED METALLIC SLEEVE, AN EXTERNALLY THREADED CYLINDRICAL DIELECTRIC BUSHING POSITIONED WITHIN THE SLEEVE, AND A LEAD-IN CONDUCTOR EXTENDING LONGITUDINALLY THROUGH THE BUSHING, BOTH THE ROOTS AND THE CRESTS OF THE EXTERNAL AND INTERNAL THREADS BEING ROUNDED AND THE CLEARANCE BETWEEN THE ROOT OF THE INTERNAL THREAD AND THE CREST OF THE EXTERNAL THREAD AND BETWEEN THE CREST OF THE INTERNAL THREAD AND THE ROOT OF THE EXTERNAL THREAD INITIALLY BEING SUBSTANTIALLY THE SAME AS THE CLEARANCE BETWEEN THE SIDES OF THE INTERNAL THREAD AND THE SIDES OF THE EXTERNAL THREAD, THE SLEEVE BEING SUBSEQUENTLY RADIALLY COMPRESSED ALONG ITS LENGTH, REDUCING THE DIAMETER OF THE SLEEZE AND THE BUSHING AND FORMING A CONTINUOUS INTERFACE BETWEEN THE BUSHING AND THE SLEEVE AND BETWEEN THE BUSHING AND THE CONDUCTOR, THE INTERENGAGEMENT BETWEEN THE INTERNAL AND EXTERNAL THREADS PREVENTING THE BUSHING FROM ELONGATING AND THEREBY GENERATING A VERY HIGH HYDROSTATIC PRESSURE IN THE BUSHING THAT PROVIDES A HERMETIC SEAL BETWEEN THE SLEEVE AND THE BUSHING AND BETWEEN THE BUSHING AND THE CONDUCTOR.
Claim 2
Dependent Claim
177 words
A HIGH PRESSURE HERMETIC SEAL TERMINAL COMPRISING AN INTERNALLY THREADED METALLIC SLEEVE, AN EXTERNALLY THREADED CYLINDRICAL DIELECTRIC BUSHING POSITIONED WITHIN THE SLEEVE, AND A LEAD-IN CONDUCTOR EXTENDING LONGITUDINALLY THROUGH THE BUSHING, BOTH THE ROOTS AND THE CRESTS OF THE EXTERNAL AND INTERNAL THREADS BEING ROUNDED AND THE CLEARANCE BETWEEN THE ROOT OF THE INTERNAL THREAD AND THE CREST OF THE EXTERNAL THREAD AND BETWEEN THE CREST OF THE INTERNAL THREAD AND THE ROOT OF THE EXTERNAL THREAD INITIALLY BEING SUBSTANTIALLY THE SAME AS THE CLEARANCE BETWEEN THE SIDES OF THE INTERNAL THREAD AND THE SIDES OF THE EXTERNAL THREAD, THE SLEEVE BEING SUBSEQUENTLY RADIALLY COMPRESSED ALONG ITS LENGTH, REDUCING THE DIAMETER OF THE SLEEZE AND THE BUSHING AND FORMING A CONTINUOUS INTERFACE BETWEEN THE BUSHING AND THE SLEEVE AND BETWEEN THE BUSHING AND THE CONDUCTOR, THE INTERENGAGEMENT BETWEEN THE INTERNAL AND EXTERNAL THREADS PREVENTING THE BUSHING FROM ELONGATING AND THEREBY GENERATING A VERY HIGH HYDROSTATIC PRESSURE IN THE BUSHING THAT PROVIDES A HERMETIC SEAL BETWEEN THE SLEEVE AND THE BUSHING AND BETWEEN THE BUSHING AND THE CONDUCTOR.
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 |