US2700738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Delay-line end cell
Assignee: International Business Machines Corp
•
Filing: 1951-05-05
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Granted: 1955-01-25
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Expires: 1971-05-05
Abstract
No abstract record available.
Inventors
- 👤 Byron L Havens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:04
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/02; H03H9/125; H03H9/13; H03H9/133
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1919480A
Cited
US1692074A
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US1921432A
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US2077204A
Cited
US2423306A
Cited
US2512156A
Cited
US2624852A
Cited
US2629827A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-24 | 1958-07-26 | 1959-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-24 | 1962-07-26 | 1963-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-24 | 1966-07-26 | 1967-01-25 | $7700.00 | Window Closed / Lapsed |