US2548345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telemetric system
Assignee: Melpar Inc
•
Filing: 1948-09-29
•
Granted: 1951-04-10
•
Expires: 1968-09-29
Abstract
No abstract record available.
Inventors
- 👤 Robert S Butts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:48
CPC Classifications
G; G08; G08C; G08C15/00; G08C15/06; G08C15/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1614222A
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US1849827A
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FR720583A
Cited
US2012837A
Cited
US2114578A
Cited
US2146862A
Cited
US2313666A
Cited
US2444950A
Cited
US2468703A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-09 | 1954-10-09 | 1955-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-09 | 1958-10-09 | 1959-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-09 | 1962-10-09 | 1963-04-10 | $7700.00 | Window Closed / Lapsed |