US2790941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Terminal lead construction and method, and semiconductor unit
Assignee: GTE Sylvania Inc
•
Filing: 1952-03-27
•
Granted: 1957-04-30
•
Expires: 1972-03-27
Abstract
No abstract record available.
Inventors
- 👤 John W Dawson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:47
CPC Classifications
H; H10; H10W; H10W76/00; H10W76/10; H10W76/12; H10W76/161
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A SEMICONDUCTOR UNIT INCLUDING A GLASS ENVELOPE, A SEMICONDUCTOR ELEMENT AND A SHARP ENDED WIRE CONTACT ELEMENT ENGAGING SAID SEMICONDUCTOR ELEMENT IN SAID ENVELOPE, A PAIR OF TERMINAL LEADS SEALED IN AND EXTENDING THROUGH SAID GLASS ENVELOPE AND SUPPORTING SAID ELEMENTS IN CRITICAL PRESSURE CONTACT IN SAID ENVELOPE, EACH OF SAID LEADS HAVING A RELATIVELY LONG AND SLENDER PORTION PROJECTING FREELY FROM SAID ENVELOPE, AND METAL RINGS SEALED TO THE OUTSIDE SURFACE OF SAID GLASS ENVELOPE AND CLOSELY ENCRICLING SAID LEADS, RESPECTIVELY, WHERE SAID LEADS EMERGE FROM THE GLASS.
Claim 2
Dependent Claim
89 words
A SEMICONDUCTOR UNIT INCLUDING A GLASS ENVELOPE, A SEMICONDUCTOR ELEMENT AND A SHARP ENDED WIRE CONTACT ELEMENT ENGAGING SAID SEMICONDUCTOR ELEMENT IN SAID ENVELOPE, A PAIR OF TERMINAL LEADS SEALED IN AND EXTENDING THROUGH SAID GLASS ENVELOPE AND SUPPORTING SAID ELEMENTS IN CRITICAL PRESSURE CONTACT IN SAID ENVELOPE, EACH OF SAID LEADS HAVING A RELATIVELY LONG AND SLENDER PORTION PROJECTING FREELY FROM SAID ENVELOPE, AND METAL RINGS SEALED TO THE OUTSIDE SURFACE OF SAID GLASS ENVELOPE AND CLOSELY ENCRICLING SAID LEADS, RESPECTIVELY, WHERE SAID LEADS EMERGE FROM THE GLASS.
References Cited (Backward Citations)
US756676A
Cited
US2174375A
Cited
US2215798A
Cited
US2106394A
Cited
US2265821A
Cited
US2462020A
Cited
US2572993A
Cited
GB629742A
Cited
US2598241A
Cited
US2626985A
Cited
US2633489A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-29 | 1960-10-29 | 1961-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-29 | 1964-10-29 | 1965-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-29 | 1968-10-29 | 1969-04-30 | $7700.00 | Window Closed / Lapsed |