Patent US2846207A successfully refreshed from Google Patents.
US2846207A
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Motion responsive apparatus
Assignee: AMPATCO LAB CORP
•
Filing: 1953-01-14
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Granted: 1958-08-05
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Expires: 1973-01-14
Abstract
No abstract record available.
Inventors
- 👤 Kurt A Marggraf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:03
CPC Classifications
G; G01; G01P; G01P15/00; G01P15/02; G01P15/08; G01P15/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US618702A
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US2328337A
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US1936321A
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US1826024A
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US2049129A
Cited
US2136809A
Cited
US2591921A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |