Patent US3221386A successfully refreshed from Google Patents.
US3221386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making an electrical device comprising a glass capsule and a wire lead fused therein
Assignee: Ohmega Laboratories
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Filing: 1960-07-07
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Granted: 1965-12-07
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Expires: 1980-07-07
Abstract
No abstract record available.
Inventors
- 👤 Philip C Demarest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:08
CPC Classifications
H; H01; H01K; H01K3/00; H01K3/20; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49087
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
THE PROCESS OF SEALING A CAPSULE COMPRISING THE STEPS OF: THREADING A WIRE LEAD THROUGH A HOLLOW GLASS BEAD; HEATING SAID BEAD ONLY BY PASSING AN ELECTRIC CURRENT THROUGH SAID WIRE TO MELT SAID BEAD INTO A COHERENT MASS ATTACHED TO SAID WIRE; INSERTING SAID MASS INTO ONE END OF A HOLLOW GLASS TUBE; AND HEATING SAID MASS AND THE CONTIGUOUS PART OF SAID TUBE TO THE TEMPERATURE AT WHICH THEY MELT AND FLOW TOGETHER ONLY BY PASSING ELECTRIC CURRENT THROUGH SAID WIRE.
Claim 2
Dependent Claim
83 words
THE PROCESS OF SEALING A CAPSULE COMPRISING THE STEPS OF: THREADING A WIRE LEAD THROUGH A HOLLOW GLASS BEAD; HEATING SAID BEAD ONLY BY PASSING AN ELECTRIC CURRENT THROUGH SAID WIRE TO MELT SAID BEAD INTO A COHERENT MASS ATTACHED TO SAID WIRE; INSERTING SAID MASS INTO ONE END OF A HOLLOW GLASS TUBE; AND HEATING SAID MASS AND THE CONTIGUOUS PART OF SAID TUBE TO THE TEMPERATURE AT WHICH THEY MELT AND FLOW TOGETHER ONLY BY PASSING ELECTRIC CURRENT THROUGH SAID WIRE.
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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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |