Patent US3497672A successfully refreshed from Google Patents.
US3497672A
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Diver suit with electrical heater and fluid pump system
Assignee: EVERETT B SUNDSTROM
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Filing: 1967-08-21
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Granted: 1970-02-24
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Expires: 1987-08-21
Abstract
No abstract record available.
Inventors
- 👤 John V Harter
- 👤 William D Meeks
- 👤 Everett B Sundstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:04
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/20; H05B3/34; H05B3/342; F; F24; F24H; F24H1/00; F24H1/10; F24H1/101; F24H1/102; H05B2203/00; H05B2203/036
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3112792A
Cited
US3211216A
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GB760320A
Cited
US2982841A
Cited
US2802088A
Cited
US2866072A
Cited
US3367319A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |