US3069876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stem fabricating process
Assignee: Lanteris Space LLC
•
Filing: 1958-09-11
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Granted: 1962-12-25
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Expires: 1978-09-11
Abstract
No abstract record available.
Inventors
- 👤 Anthony J Certa
- 👤 Jr John F Mcmahon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:05
CPC Classifications
H; H10; H10W; H10W76/00; H10W76/10; H10W76/12; H10W76/161; C; C03; C03C; C03C27/00; C03C27/04; C03C27/042; C03C27/046; H10W72/00; H10W72/20; H10W90/00; H10W90/701; H10W90/751; H10W90/753; H10W90/754
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
THE METHOD OF PRODUCING A GLASS-TO-COPPER SEAL WHICH COMPRISES: CHEMICALLY OXIDIZING SURFACE PORTIONS OF A BODY OF COPPER TO THE CUPRIC STATE; HEATING SAID BODY IN AN INERT ATMOSPHERE TO A TEMPERATURE SUFFICIENT TO EFFECT REDUCTION OF SAID CUPRIC OXIDE COATING TO THE CUPROUS STATE THROUGH THERMALLY-INDUCED INTERACTION OF THE COPPER SUBSTRATUM WITH SAID CUPRIC OXIDE COATING; AND HEREMETICALLY SEATING A QUANTITY OF VITRIC MATERIAL TO SAID BODY OF COPPER THROUGH THE INTERMEDIATION OF THE NEWLY FORMED CURPROUS OXIDE COATING.
Claim 2
Independent Claim
80 words
THE METHOD OF PRODUCING A GLASS-TO-COPPER SEAL WHICH COMPRISES: CHEMICALLY OXIDIZING SURFACE PORTIONS OF A BODY OF COPPER TO THE CUPRIC STATE; HEATING SAID BODY IN AN INERT ATMOSPHERE TO A TEMPERATURE SUFFICIENT TO EFFECT REDUCTION OF SAID CUPRIC OXIDE COATING TO THE CUPROUS STATE THROUGH THERMALLY-INDUCED INTERACTION OF THE COPPER SUBSTRATUM WITH SAID CUPRIC OXIDE COATING; AND HEREMETICALLY SEATING A QUANTITY OF VITRIC MATERIAL TO SAID BODY OF COPPER THROUGH THE INTERMEDIATION OF THE NEWLY FORMED CURPROUS OXIDE COATING.
References Cited (Backward Citations)
US1350907A
Cited
US1692998A
Cited
US1980840A
Cited
US2347421A
Cited
US2806971A
Cited
US2794059A
Cited
US2898395A
Cited
US2906907A
Cited
US2933855A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |