Ships – Building – Canal and ferry boats
Patent
1977-01-24
1978-11-07
Blix, Trygve M.
Ships
Building
Canal and ferry boats
114326, 116173, B63B 2152
Patent
active
041238133
ABSTRACT:
A float and flag assembly for use by divers includes a buoyant annular ring or member mounted on an elongated staff. A flag or signalling device is mounted on the staff at one end thereof. A lead weight or the like is secured to the other end of the post.
REFERENCES:
patent: 2072573 (1937-03-01), Vigliotti
patent: 2284209 (1942-05-01), Holm
patent: 2324983 (1943-07-01), Gollings
patent: 2367818 (1945-01-01), Diehl
patent: 2409076 (1946-10-01), Steinberger
patent: 2455765 (1948-12-01), Harvey
patent: 2917755 (1959-12-01), Peck
patent: 3760441 (1973-09-01), Handelman
patent: 3828380 (1974-08-01), Lebovits
Blix Trygve M.
Keen D. W.
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