US2760310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quartz-to-metal seal
Assignee: General Electric Co
•
Filing: 1951-01-13
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Granted: 1956-08-28
•
Expires: 1971-01-13
Abstract
No abstract record available.
Inventors
- 👤 Nelson Evan Herbert
- 👤 Whittemore Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:14
CPC Classifications
H; H01; H01J; H01J5/00; H01J5/32; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49204; Y10T29/49208; Y10T29/4921; Y10T29/49211; Y10T29/49826; Y10T29/49863; Y10T29/49865
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
THE METHOD OF MAKING A QUARTZ-TO-METAL SEAL OF THE TYPE COMPRISING A QUARTZ TUBE AND A PLATINUM THIMBLE WHICH COMPRISES THE STEPS OF SHAPING A THIN SHEET TO PLASTINUM TO A THIMBLE MAKING A CLOSE PUSH FIT ON ONE END OF A REFRACRTORY METAL ROD INSERTABLE INTO THE TUBE, ASSEMBLING THE ROD, THIMBLE AND TUBE WITH THE ROD EXTENDING ALONG AND TERMINATING WITHIN THE TUBE AND WITH THE THIMBLE COVERING COMPLETELY AND MAKING GOOD THERMAL CONTACT WITH THE END OF THE ROD AND WITH THE EDGE ONLY OF THE THIMBLE IN POSITION FOR SEALING WITH THE INNER SUR-
Claim 2
Independent Claim
98 words
THE METHOD OF MAKING A QUARTZ-TO-METAL SEAL OF THE TYPE COMPRISING A QUARTZ TUBE AND A PLATINUM THIMBLE WHICH COMPRISES THE STEPS OF SHAPING A THIN SHEET TO PLASTINUM TO A THIMBLE MAKING A CLOSE PUSH FIT ON ONE END OF A REFRACRTORY METAL ROD INSERTABLE INTO THE TUBE, ASSEMBLING THE ROD, THIMBLE AND TUBE WITH THE ROD EXTENDING ALONG AND TERMINATING WITHIN THE TUBE AND WITH THE THIMBLE COVERING COMPLETELY AND MAKING GOOD THERMAL CONTACT WITH THE END OF THE ROD AND WITH THE EDGE ONLY OF THE THIMBLE IN POSITION FOR SEALING WITH THE INNER SUR-
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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) | 1959-08-28 | 1960-02-27 | 1960-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-28 | 1964-02-27 | 1964-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-28 | 1968-02-27 | 1968-08-28 | $7700.00 | Window Closed / Lapsed |