US3482237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alarm system for swimming pools and the like
Assignee: Individual
•
Filing: 1965-10-22
•
Granted: 1969-12-02
•
Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Henry F Hamburg
- 👤 Theron R Fowler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:39
CPC Classifications
G; G08; G08B; G08B21/00; G08B21/02; G08B21/08; G08B21/084; G01; G01F; G01F23/00; G01F23/30; G01F23/32; G01F23/36; H; H01; H01H; H01H35/00; H01H35/18
Claims Analysis
Total Claims: 0
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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) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |