US2779874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: ELECTRO CARD Inc
•
Filing: 1950-10-18
•
Granted: 1957-01-29
•
Expires: 1970-10-18
Abstract
No abstract record available.
Inventors
- 👤 Gilbert R Sonbergh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:51
CPC Classifications
G; G06; G06K; G06K19/00; G06K19/06; G06K19/067; Y; Y10; Y10S; Y10S70/00; Y10S70/51; Y10T; Y10T70/00; Y10T70/70; Y10T70/7051; Y10T70/7062; Y10T70/7068; Y10T70/7073; Y10T70/7124; Y10T70/7441; Y10T70/778; Y10T70/7791
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB170582A
Cited
US1838084A
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US2094351A
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US2150440A
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US2244023A
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US2275590A
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US2245388A
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US2468574A
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US2566017A
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US2581680A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |