US3539879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retaining clip and guide for a circuit board
Assignee: Hewlett Packard Ltd
•
Filing: 1968-09-06
•
Granted: 1970-11-10
•
Expires: 1988-09-06
Abstract
No abstract record available.
Inventors
- 👤 Alan W Bradley
- 👤 David D Leahy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:57
CPC Classifications
H; H05; H05K; H05K7/00; H05K7/14; H05K7/1401; H05K7/1402; H05K7/1405
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE37653C
Cited
GB898224A
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US3047648A
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US3110873A
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US3130351A
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US3169214A
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US3303394A
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FR1454097A
Cited
US3392668A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |