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US2665846A
Expired / Lapsed
US
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Electronic counting device
Assignee: Universal Match Corp
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Filing: 1951-03-12
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Granted: 1954-01-12
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Expires: 1971-03-12
Abstract
No abstract record available.
Inventors
- 👤 Gilbert Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:11
CPC Classifications
H; H03; H03K; H03K23/00; H03K23/82; G; G01; G01J; G01J1/00; G01J1/42; G01J1/4209
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2176932A
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US2284101A
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US2354768A
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US2411573A
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US2519184A
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US2575951A
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US2521774A
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US2512851A
Cited
US2547511A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |