Patent US2942352A successfully refreshed from Google Patents.
US2942352A
Expired / Lapsed
US
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Material treating system
Assignee: Individual
•
Filing: 1957-10-24
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Granted: 1960-06-28
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Expires: 1977-10-24
Abstract
No abstract record available.
Inventors
- 👤 Eicken-Estienne Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:29
CPC Classifications
G; G05; G05D; G05D22/00; G05D22/02; D; D06; D06B; D06B1/00; G01; G01N; G01N27/00; G01N27/02; G01N27/04; G01N27/048; D06C; D06C2700/00; D06C2700/13; D06C2700/135
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2244722A
Cited
US2460199A
Cited
US2535948A
Cited
US2759149A
Cited
US2702948A
Cited
US2703386A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |