US2574903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Translator for shifted lines and parties
Assignee: Kellogg Switchboard and Supply Co
•
Filing: 1948-04-08
•
Granted: 1951-11-13
•
Expires: 1968-04-08
Abstract
No abstract record available.
Inventors
- 👤 John I Bellamy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:49
CPC Classifications
H; H04; H04Q; H04Q3/00; H04Q3/0004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1505171A
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US1601052A
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US1861754A
Cited
US2006438A
Cited
US2059596A
Cited
US2201573A
Cited
US2279822A
Cited
USRE22820E
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-12 | 1955-05-14 | 1955-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-12 | 1959-05-14 | 1959-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-12 | 1963-05-14 | 1963-11-13 | $7700.00 | Window Closed / Lapsed |