US2788515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telemetering
Assignee: North Electric Co
•
Filing: 1950-09-01
•
Granted: 1957-04-09
•
Expires: 1970-09-01
Abstract
No abstract record available.
Inventors
- 👤 Lemuel R Breese
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:43
CPC Classifications
H; H02; H02J; H02J13/00; H02J13/18; H02J13/333; H02J13/13; H02J13/1321; Y; Y02; Y02E; Y02E60/00; Y04; Y04S; Y04S40/00; Y04S40/12; Y04S40/124
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1739935A
Cited
US1726009A
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GB339643A
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US2164379A
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US2314692A
Cited
US2327251A
Cited
US2342125A
Cited
US2484208A
Cited
US2550109A
Cited
US2597075A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-08 | 1960-10-08 | 1961-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-08 | 1964-10-08 | 1965-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-08 | 1968-10-08 | 1969-04-09 | $7700.00 | Window Closed / Lapsed |