US4114066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Subminiature incandescent lamp
Assignee: Osram GmbH
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Filing: 1977-06-10
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Granted: 1978-09-12
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Expires: 1997-06-10
Abstract
Abstract A subminiature incandescent lamp having a tubular bulb with a flattened ps portion effecting closure of the bulb having a pair of lead-in wires sealed therethrough. The lead-in wires extend exteriorly of the bulb and are re-entrant into the press portion of the bulb to form two U-shaped loops, the sides of each of which touch throughout their length, and with the loops bent back about opposite sides of the flattened press portion.
Inventors
- 👤 Hans Wiedenmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:08
CPC Classifications
H; H01; H01K; H01K1/00; H01K1/42; H01K1/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
In combination with a subminiature lamp comprising a tubular bulb, a pair of lead-in wires spaced within said bulb by a glass bead in which said lead-in wires are sealed, and a filament supported within said bulb by said lead-in wires, a flattened press portion of said bulb effecting closure of same, and said lead-in wires sealed through said flattened press portion of said bulb, the improvement which comprises: outer sections of said lead-in wires extending exteriorly of said bulb, re-entrant sections of each of said outer lead-in wire sections being supported in said flattened press portion to form two U-shaped loops the sides of each of which touch throughout their length, and said U-shaped loops each bent back about the lower end of said flattened press portion with said loops closely abutting opposite sides of said flattened press portion.
Claim 2
Dependent Claim
140 words
In combination with a subminiature lamp comprising a tubular bulb, a pair of lead-in wires spaced within said bulb by a glass bead in which said lead-in wires are sealed, and a filament supported within said bulb by said lead-in wires, a flattened press portion of said bulb effecting closure of same, and said lead-in wires sealed through said flattened press portion of said bulb, the improvement which comprises: outer sections of said lead-in wires extending exteriorly of said bulb, re-entrant sections of each of said outer lead-in wire sections being supported in said flattened press portion to form two U-shaped loops the sides of each of which touch throughout their length, and said U-shaped loops each bent back about the lower end of said flattened press portion with said loops closely abutting opposite sides of said flattened press portion.
References Cited (Backward Citations)
US2937308A
Cited
US3979627A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-09-11 | 1982-03-13 | 1982-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-09-11 | 1986-03-13 | 1986-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-09-11 | 1990-03-13 | 1990-09-12 | $7700.00 | Window Closed / Lapsed |