US 4,037,563 · Granted 1977-07-26
Aquarium viewing window
A viewing window structure for an aquarium tank and the like includes a removable water pressure resistive viewing panel which presents a substantially uniform water-tight face to the water side thereof. The window structure comprises supporting seat means embedded in a tank wall adapted to receive the water encountering viewing panel. A flange of the supporting seat means is operative to sealably confront the water side of the window panel and to provide a substantially flush water-tight seal. Pressure retaining frame means and supporting hardware are provided on the dry side of the window panel.
Patent details
- Publication number
- US 4,037,563
- Filing date
- 1976-03-29
- Grant date
- 1977-07-26
- Assignee
- John M. Pflueger
- Inventor(s)
- PFLUEGER; JOHN M., HUTCHESON; WILLIAM A.
- CPC class
- A01K63/003
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