US2976510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wrench for printed circuit card library rack
Assignee: Unisys Corp
•
Filing: 1957-05-02
•
Granted: 1961-03-21
•
Expires: 1977-05-02
Abstract
No abstract record available.
Inventors
- 👤 Blain Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:58
CPC Classifications
H; H05; H05K; H05K7/00; H05K7/14; H05K7/1401; H05K7/1415; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53909; Y10T29/53943
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US306291A
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US792009A
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US1393284A
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US1587200A
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US1574319A
Cited
US1567025A
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US2352710A
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US2539647A
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US2653006A
Cited
US2618183A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-20 | 1964-09-19 | 1965-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-20 | 1968-09-19 | 1969-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-20 | 1972-09-19 | 1973-03-21 | $7700.00 | Window Closed / Lapsed |