NL37556C - - Google Patents
Info
- Publication number
- NL37556C NL37556C NL37556DA NL37556C NL 37556 C NL37556 C NL 37556C NL 37556D A NL37556D A NL 37556DA NL 37556 C NL37556 C NL 37556C
- Authority
- NL
- Netherlands
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 |
---|---|
NL37556C true NL37556C (zh) |
Family
ID=4514139
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL37556D NL37556C (zh) | 1931-11-16 |
Country Status (5)
Country | Link |
---|---|
US (1) | US1981329A (zh) |
BE (1) | BE391856A (zh) |
FR (1) | FR737856A (zh) |
GB (1) | GB397719A (zh) |
NL (1) | NL37556C (zh) |
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 |
BE518131A (zh) * | 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 |
---|---|
BE391856A (zh) | |
GB397719A (en) | 1933-08-31 |
FR737856A (fr) | 1932-12-17 |
US1981329A (en) | 1934-11-20 |