Underwater observatory

Details Underwater observatory Underwater observatory

1977-12-06

1980-02-05

Leppink, James A.

Static structures (e.g., buildings)

Specified terranean relationship

With waterproofing means; e.g., covering, coating, or lamina

114314, 114 66, 405189, 405194, B63B 3500

Patent

active

041865324

ABSTRACT:
An off-shore underwater observatory comprising a lower, submerged observation gallery fitted with at least one observation window and having a ceiling with an opening through which the observation gallery is accessible, and a body of water on top of the gallery such that the combined weight of the structure and the water exceeds the buoyancy. An annular skirt may depend from the ceiling in extension of said opening to a level which is below the head level of a person standing in the gallery, the upper edge(s) of the window(s) not exceeding the lower edge of said skirt.

REFERENCES:
patent: 385656 (1888-07-01), Belisle
patent: 530398 (1894-12-01), Cooper
patent: 902898 (1908-11-01), Newhall
patent: 1223515 (1917-04-01), Papanastasiou
patent: 3240186 (1966-03-01), Dobell
patent: 3254621 (1966-06-01), White
patent: 3895495 (1975-07-01), Akataki
patent: 4058945 (1977-11-01), Knapp

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