BE391856A - - Google Patents
Info
- Publication number
- BE391856A BE391856A BE391856DA BE391856A BE 391856 A BE391856 A BE 391856A BE 391856D A BE391856D A BE 391856DA BE 391856 A BE391856 A BE 391856A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/28—Envelopes; Vessels
- H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof
- H01K1/325—Reflecting coating
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH397719X | 1931-11-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE391856A true BE391856A (fr) |
Family
ID=4514139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE391856D BE391856A (fr) | 1931-11-16 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1981329A (fr) |
| BE (1) | BE391856A (fr) |
| FR (1) | FR737856A (fr) |
| GB (1) | GB397719A (fr) |
| NL (1) | NL37556C (fr) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2441823A (en) * | 1943-02-01 | 1948-05-18 | Westinghouse Electric Corp | Reflector lamp and optical system |
| US2441824A (en) * | 1943-10-16 | 1948-05-18 | Westinghouse Electric Corp | Reflector lamp |
| US2636143A (en) * | 1949-05-21 | 1953-04-21 | Percival H Mitchell | Reflecting surface for incandescent lamps |
| IT500078A (fr) * | 1952-03-04 | |||
| US2909693A (en) * | 1954-02-10 | 1959-10-20 | Cibie Pierre | Headlamp, notably vehicle headlamp |
| US2820454A (en) * | 1955-04-04 | 1958-01-21 | Leonard W Wright | Foot kneading rugs |
| US3256456A (en) * | 1958-01-09 | 1966-06-14 | Sylvania Electric Prod | Reflector incandescent projection lamp |
| US2904714A (en) * | 1958-06-16 | 1959-09-15 | Gen Electric | Electric lamp |
| US4041344A (en) * | 1976-08-30 | 1977-08-09 | General Electric Company | Ellipsoidal reflector lamp |
| USRE30832E (en) * | 1976-08-30 | 1981-12-22 | General Electric Company | Ellipsoidal reflector lamp |
| US4309746A (en) * | 1978-09-14 | 1982-01-05 | Martin Marietta Corporation | Laser seeker target simulator |
-
0
- BE BE391856D patent/BE391856A/xx unknown
- NL NL37556D patent/NL37556C/xx active
-
1932
- 1932-05-30 FR FR737856D patent/FR737856A/fr not_active Expired
- 1932-11-03 US US641083A patent/US1981329A/en not_active Expired - Lifetime
- 1932-11-16 GB GB32376/32A patent/GB397719A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR737856A (fr) | 1932-12-17 |
| GB397719A (en) | 1933-08-31 |
| NL37556C (fr) | |
| US1981329A (en) | 1934-11-20 |