US2752580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printed circuit board and terminal connections
Assignee: Individual
•
Filing: 1953-04-27
•
Granted: 1956-06-26
•
Expires: 1973-04-27
Abstract
No abstract record available.
Inventors
- 👤 Charles A Shewmaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:55
CPC Classifications
H; H01; H01R; H01R12/00; H01R12/70; H01R12/71; H01R12/712; H01R12/716; H01R12/718; H05; H05K; H05K3/00; H05K3/36; H05K3/368; H05K2201/00; H05K2201/09; H05K2201/09209; H05K2201/095; H05K2201/096; H05K2201/10; H05K2201/10227; H05K2201/10409; H05K2201/10431; H05K2201/1059; H05K2201/10613; H05K2201/10742; H05K2201/1075; H05K2201/10856; H05K3/30; H05K3/306; H05K3/308; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49945
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB178650A
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US2006436A
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US1988310A
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US2306389A
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US2441960A
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US2439412A
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US2594069A
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US2593479A
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US2603681A
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US2628263A
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US2718625A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-26 | 1959-12-26 | 1960-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-26 | 1963-12-26 | 1964-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-26 | 1967-12-26 | 1968-06-26 | $7700.00 | Window Closed / Lapsed |