Patent US3512382A successfully refreshed from Google Patents.
US3512382A
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Assignee: LIQUIDONICS IND Inc
•
Filing: 1968-04-17
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Granted: 1970-05-19
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Expires: 1988-04-17
Abstract
No abstract record available.
Inventors
- 👤 Mathias M Check
- 👤 Guy Mauro
- 👤 Salvatore R Valentinetti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:34
CPC Classifications
E; E05; E05B; E05B47/00; E05B47/0038; E05B47/0044; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7051; Y10T70/7057; Y10T70/7441; Y10T70/7486; Y10T70/7508; Y10T70/7559; Y10T70/7565; Y10T70/7588; Y10T70/7593; Y10T70/7599; Y10T70/7605; Y10T70/778; Y10T70/7791; Y10T70/7904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1172203A
Cited
US1463495A
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US1593683A
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US2121301A
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US2370800A
Cited
US3111834A
Cited
US3416336A
Cited
US3393541A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |