US2613287A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cross connecting board
Assignee: International Business Machines Corp
•
Filing: 1948-10-27
•
Granted: 1952-10-07
•
Expires: 1968-10-27
Abstract
No abstract record available.
Inventors
- 👤 Edward F Geiger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:10
CPC Classifications
H; H02; H02B; H02B1/00; H02B1/20; H02B1/207
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US252395A
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US1199843A
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US1718993A
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US1954305A
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US2019625A
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US2195343A
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US2437018A
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US2467727A
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US2483551A
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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) | 1955-10-07 | 1956-04-07 | 1956-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-07 | 1960-04-07 | 1960-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-07 | 1964-04-07 | 1964-10-07 | $7700.00 | Window Closed / Lapsed |