US2984463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for disinfecting water
Assignee: Individual
•
Filing: 1958-05-09
•
Granted: 1961-05-16
•
Expires: 1978-05-09
Abstract
No abstract record available.
Inventors
- 👤 Torricelli Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:16
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/58; C02F1/62; C02F1/64; C02F1/645; C02F1/72; C02F1/78; Y; Y10; Y10S; Y10S261/00; Y10S261/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US507774A
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US996560A
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US822980A
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US850416A
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US1229305A
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US2050771A
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US2158985A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |