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US2948471A
Expired / Lapsed
US
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Electro-magnetic counter
Assignee: Individual
•
Filing: 1957-09-18
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Granted: 1960-08-09
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Expires: 1977-09-18
Abstract
No abstract record available.
Inventors
- 👤 Laboissiere Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:25
CPC Classifications
G; G06; G06M; G06M3/00; G06M3/14; G06M1/00; G06M1/08; G06M1/10; G06M1/102; G06M1/104
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) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |