US3173201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of sealing a glass element within a metal member
Assignee: Individual
•
Filing: 1961-08-23
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Granted: 1965-03-16
•
Expires: 1981-08-23
Abstract
No abstract record available.
Inventors
- 👤 James F Motson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:04
CPC Classifications
C; C03; C03C; C03C27/00; C03C27/04; C03C27/042; C03C27/046
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A METHOD OF HERMETICALLY SEALING A GLASS END PIECE HAVING FIRST AND SECOND SURFACES AND A CIRCUMFERENTIAL EDGE THEREBETWEEN ONTO THE INNER SURFACE OF THE END OF A METAL PACKAGE COMPRISING THE STEPS OF (1) EVAPORATING A METAL ALLOY OF GOLD AND CHROMIUM ONTO SAID CIRCUMFERENTIAL EDGE AND (2) SOLDERING SAID METAL ALLOY TO SAID INNER SURFACE OF THE END OF SAID METAL PACKAGE.
Claim 2
Independent Claim
64 words
A METHOD OF HERMETICALLY SEALING A GLASS END PIECE HAVING FIRST AND SECOND SURFACES AND A CIRCUMFERENTIAL EDGE THEREBETWEEN ONTO THE INNER SURFACE OF THE END OF A METAL PACKAGE COMPRISING THE STEPS OF (1) EVAPORATING A METAL ALLOY OF GOLD AND CHROMIUM ONTO SAID CIRCUMFERENTIAL EDGE AND (2) SOLDERING SAID METAL ALLOY TO SAID INNER SURFACE OF THE END OF SAID METAL PACKAGE.
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) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |