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
•
Filing: 1960-07-07
•
Granted: 1965-12-07
•
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 09:10
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.
References Cited (Backward Citations)
US241464A
Cited
US253647A
Cited
US266447A
Cited
US282472A
Cited
US370999A
Cited
US532760A
Cited
US1028118A
Cited
US1564690A
Cited
US2191346A
Cited
US2324557A
Cited
US2791480A
Cited
US2992874A
Cited
US3069583A
Cited
US3040204A
Cited
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 |