US2527650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synchronization of pulse transmission systems
Assignee: AT&T Inc
•
Filing: 1949-03-31
•
Granted: 1950-10-31
•
Expires: 1969-03-31
Abstract
No abstract record available.
Inventors
- 👤 Peterson Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:50
CPC Classifications
H; H03; H03B; H03B19/00; H04; H04J; H04J3/00; H04J3/02; H04J3/06; H04J3/0602; H04J3/0617
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1730772A
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US2194509A
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US2321971A
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US2359649A
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US2380542A
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US2442301A
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US2483786A
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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) | 1953-10-30 | 1954-05-01 | 1954-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-30 | 1958-05-01 | 1958-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-30 | 1962-05-01 | 1962-10-31 | $7700.00 | Window Closed / Lapsed |