US3758399A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse imparter
Assignee: Tri-Tron International
•
Filing: 1970-02-09
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Granted: 1973-09-11
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Expires: 1990-02-09
Abstract
Abstract An apparatus for imparting an electrical pulse to a flowing stream of water having an inlet and outlet, a cathode within said housing in the path of said stream and an electric pulse generating means connected to said cathode.
Inventors
- 👤 P Pendergrass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:13
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/53; H03K3/57; C; C02; C02F; C02F1/00; C02F1/48
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) | 1976-09-10 | 1977-03-12 | 1977-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-10 | 1981-03-12 | 1981-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-10 | 1985-03-12 | 1985-09-11 | $7700.00 | Window Closed / Lapsed |