US3081726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Underwater viewers
Assignee: Individual
•
Filing: 1962-03-13
•
Granted: 1963-03-19
•
Expires: 1982-03-13
Abstract
No abstract record available.
Inventors
- 👤 William M Betts
- 👤 Reginald C Requa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:26
CPC Classifications
B; B63; B63C; B63C11/00; B63C11/48; B63C11/49; B63B; B63B32/00; B63B32/20; B63B32/50
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
109 words
AN UNDERWATER VIEWER COMPRISING, A HOLLOW FIBER GLASS BUOYANT FLOAT HAVING A FLAT TOP ON WHICH A PERSON CAN REST IN A PRONE POSITION, HANDLES EXTENDING FROM THE OPPOSITE SIDES OF THE FLOAT, A HOLLOW TURRET MOUNTED IN THE FLOAT,A TRANSPARENT PANE INTERPOSED BETWEEN THE BOTTOM OF THE FLOAT AND AN OPEN BOTTOM OM THE TURRET, THE TURRET HAVING AN OPEN TOP IN WHICH THE FACE OF A VIEWER CAN BE INSERTED, A PROTECTIVE PAD EXTENDING AROUND THE TOP OF THE TURRET, THE TURRET BEING PROVIDED WITH OPENING IN ITS SIDE WALLS, AND A PROTECTIVE FLANGE EXTENDING AROUND THE TURRET ADJACENT TO ITS UPPER END AND OVER AND SPACED
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |