US3364002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for fluidtightly securing a metal part such as a connection to a glass member
Assignee: GEORGETTE SIMONE ZEJMA
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Filing: 1964-05-12
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Granted: 1968-01-16
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Expires: 1984-05-12
Abstract
No abstract record available.
Inventors
- 👤 Michel Alexis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:24
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/06; C03C27/00; C03C27/02; H; H01; H01J; H01J5/00; H01J5/20; H01J5/22; H01J5/26; C03C2217/00; C03C2217/20; C03C2217/25; C03C2217/263; C03C2218/00; C03C2218/10; C03C2218/17; H01J2893/00; H01J2893/0033; H01J2893/0037; H01J2893/0041; H01J2893/0043; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A METHOD FOR FLUIDTIGHTLY SECURING A METAL PART IN AN OPENING FORMED IN A GLASS MEMBER THE COEFFICIENT OF HEAT EXPANSION OF WHICH IS LOWER THAN THAT OF THE METAL PART, SAID METHOD CONSISTING IN FORMING IN SAID METAL PART AT LEAST AN ANNULAR GROOVE THE LATERAL SURFACES OF SAID GROOVE HAVING AREAS BEING SO SPACED AND HAVING SUCH A SLOPE THAT THEIR EXTENSIONS MEET THE AXIS OF THE METAL PART BEFORE MEETING EACH OTHER, INTRODUCING THE GROOVED PART OF SAID METAL PART IN THE OPENING OF THE GLASS MEMBER, HEATING TRANSIENTLY THE METAL PART AND GLASS MEMBER TO FUSE THE GLASS AND FORM A GLASS BEAD PENETRATING IN SAID GROOVE AND ALLOWING THEM TO COOL.
Claim 2
Independent Claim
116 words
A METHOD FOR FLUIDTIGHTLY SECURING A METAL PART IN AN OPENING FORMED IN A GLASS MEMBER THE COEFFICIENT OF HEAT EXPANSION OF WHICH IS LOWER THAN THAT OF THE METAL PART, SAID METHOD CONSISTING IN FORMING IN SAID METAL PART AT LEAST AN ANNULAR GROOVE THE LATERAL SURFACES OF SAID GROOVE HAVING AREAS BEING SO SPACED AND HAVING SUCH A SLOPE THAT THEIR EXTENSIONS MEET THE AXIS OF THE METAL PART BEFORE MEETING EACH OTHER, INTRODUCING THE GROOVED PART OF SAID METAL PART IN THE OPENING OF THE GLASS MEMBER, HEATING TRANSIENTLY THE METAL PART AND GLASS MEMBER TO FUSE THE GLASS AND FORM A GLASS BEAD PENETRATING IN SAID GROOVE AND ALLOWING THEM TO COOL.
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) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |