Patent US2902775A successfully refreshed from Google Patents.
Patent US3055200A successfully refreshed from Google Patents.
US3055200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fault finders
Assignee: Individual
•
Filing: 1960-08-25
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Granted: 1962-09-25
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Expires: 1980-08-25
Abstract
No abstract record available.
Inventors
- 👤 Meiners Carl Otto
- 👤 Lessing Heinz Walter
- 👤 Lessing Walter Benno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:38
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/84; G01N21/88; G01N21/89; G01N21/892; G01N21/898; G01N21/8983; D; D03; D03J; D03J1/00; D04; D04B; D04B35/00; D04B35/10; D04B35/20; D06; D06H; D06H3/00; D06H3/08; D03J2700/00; D03J2700/06
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) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |