US2633402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic spot recorder for statistical data
Assignee: Monroe Calculating Machine Co
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Filing: 1950-12-16
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Granted: 1953-03-31
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Expires: 1970-12-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Howard M Fleming
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:09
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/02; A61B5/021; G; G11; G11B; G11B5/00; G11B5/012; G11B5/02; G11B5/022; G11B5/09; G11B2005/0002; G11B2005/0005; G11B2005/001; G11B2005/0013; G11B2005/0016
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) | 1956-03-30 | 1956-09-29 | 1957-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-30 | 1960-09-29 | 1961-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-30 | 1964-09-29 | 1965-03-31 | $7700.00 | Window Closed / Lapsed |