US2450516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telemetric data transmission system
Assignee: AT&T Inc
•
Filing: 1944-01-11
•
Granted: 1948-10-05
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Expires: 1964-01-11
Abstract
No abstract record available.
Inventors
- 👤 Kinkead Rita Smith
- 👤 Walter A Phelps
- 👤 Edward M Smith
- 👤 Fred J Singer
- 👤 Lawrence E Melhuish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:36
CPC Classifications
G; G08; G08C; G08C19/00; G08C19/12; G08C19/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2192242A
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US2039405A
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US2406384A
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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) | 1951-10-05 | 1952-04-05 | 1952-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-05 | 1956-04-05 | 1956-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-05 | 1960-04-05 | 1960-10-05 | $7700.00 | Window Closed / Lapsed |