US2967918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High speed relay
Assignee: SOROBAN Inc
•
Filing: 1958-04-30
•
Granted: 1961-01-10
•
Expires: 1978-04-30
Abstract
No abstract record available.
Inventors
- 👤 John H Macneill
- 👤 Charles F West
- 👤 Mark R Thomson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:29
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/02; H01H51/04; H01H51/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US977114A
Cited
US789814A
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US1503090A
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US1639901A
Cited
US1785702A
Cited
US2069171A
Cited
US2134448A
Cited
US2290725A
Cited
US2428218A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |