US3278211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Current lead-through member
Assignee: US Philips Corp
•
Filing: 1964-08-28
•
Granted: 1966-10-11
•
Expires: 1984-08-28
Abstract
No abstract record available.
Inventors
- 👤 Baas Gerardus
- 👤 Tacken Peter Jan Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:41
CPC Classifications
H; H01; H01J; H01J5/00; H01J5/32; C; C03; C03C; C03C29/00; H01B; H01B17/00; H01B17/26; H01B17/30; H01B17/303; H01B17/305; H01J5/40; H01J2893/00; H01J2893/0033; H01J2893/0034; H01J2893/0035; Y; Y10; Y10T; Y10T403/00; Y10T403/21; Y10T403/213; Y10T403/47; Y10T403/473
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A GLASS-TO-MENTAL SEAL FOR A LEAD-IN CONDUCTOR COMPRISING A TUBULAR METAL MEMBER WIDER AT ONE END THAN AT THE OTHER END, A FIRST GLASS BODY SURROUNDING A CONDUCTOR WHICH EXTENDS THROUGH THE TUBULAR PORTION AND SEALS THE CONDUCTOR TO THE METAL MEMBER, SAID FIRST GLASS BODY HAVING A SUBSTANTIALLY SPHERICAL SHAPE AT THE NARROWER END OF THE TUBULAR MEMBER AND BEING CONSTITUTED OF A CRYSTALLIZABLE GLASS, AND A SECOND GLASS BODY OF A NONCRYSTALLIZABLE GLASS JOINED TO SAID FIRST GLASS BODY SURROUNDING AND FILLING THE SPACE BETWEEN SAID CONDUCTOR AND THE WIDER END OF SAID TUBULAR MEMBER.
Claim 2
Dependent Claim
97 words
A GLASS-TO-MENTAL SEAL FOR A LEAD-IN CONDUCTOR COMPRISING A TUBULAR METAL MEMBER WIDER AT ONE END THAN AT THE OTHER END, A FIRST GLASS BODY SURROUNDING A CONDUCTOR WHICH EXTENDS THROUGH THE TUBULAR PORTION AND SEALS THE CONDUCTOR TO THE METAL MEMBER, SAID FIRST GLASS BODY HAVING A SUBSTANTIALLY SPHERICAL SHAPE AT THE NARROWER END OF THE TUBULAR MEMBER AND BEING CONSTITUTED OF A CRYSTALLIZABLE GLASS, AND A SECOND GLASS BODY OF A NONCRYSTALLIZABLE GLASS JOINED TO SAID FIRST GLASS BODY SURROUNDING AND FILLING THE SPACE BETWEEN SAID CONDUCTOR AND THE WIDER END OF SAID TUBULAR MEMBER.
References Cited (Backward Citations)
US2784532A
Cited
US2955386A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |