US2761066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Harmonic generator
Assignee: Individual
•
Filing: 1951-10-25
•
Granted: 1956-08-28
•
Expires: 1971-10-25
Abstract
No abstract record available.
Inventors
- 👤 Harris A Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:23
CPC Classifications
H; H04; H04J; H04J1/00; H04J1/02; H04J1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2082517A
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US2424905A
Cited
US2532347A
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US2581159A
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US2660704A
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US2664510A
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US2688701A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-28 | 1960-02-27 | 1960-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-28 | 1964-02-27 | 1964-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-28 | 1968-02-27 | 1968-08-28 | $7700.00 | Window Closed / Lapsed |