Patent US3621604A successfully refreshed from Google Patents.
US3621604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aquanaut toy
Assignee: Mattel Inc
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Filing: 1969-11-24
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Granted: 1971-11-23
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Expires: 1989-11-24
Abstract
Abstract TOY APPARATUS THAT CAN BE ATTACHED TO A TOY FIGURE TO MAKE IT SINK OR FLOAT IN WATER COMPRISING A HOLLOW BACKPACK WITH FLEXIBLE WALLS THAT CAN CONTRACT OR EXPAND WHEN AIR IS PUMPED OUT OUT IN. A HAND PUMP IS COUPLED THROUGH A LONG HOSE TO THE BACKPACK TO ENABLE A CHILD TO PUMP AIR INTO OR OUT OF THE PACK. THE PACK IS ATTACHED TO THE FIGURE BY A STRAP THAT EXTENDS AROUND THE FIGURE''S BODY, AND A HOUSE EXTENDS FROM THE PACK TO A FACE MASK THAT IS ATTACHED TO THE FIGURE''S HEAD.
Inventors
- 👤 Berne E Danielsen
- 👤 George E Robson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:30
CPC Classifications
A; A63; A63H; A63H23/00; A63H23/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-22 | 1975-05-24 | 1975-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-22 | 1979-05-24 | 1979-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-22 | 1983-05-24 | 1983-11-23 | $7700.00 | Window Closed / Lapsed |