Patent US3069876A successfully refreshed from Google Patents.
US3069876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stem fabricating process
Assignee: Lanteris Space LLC
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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 23:43
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.
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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) | 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 |