US3134075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hand-held self-contained microphone transmitter
Assignee: VEGA ELECTRONICS CORP
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Filing: 1961-05-16
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Granted: 1964-05-19
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Expires: 1981-05-16
Abstract
No abstract record available.
Inventors
- 👤 Robert Z Langevin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:34
CPC Classifications
H; H04; H04B; H04B5/00; H04R; H04R1/00; H04R1/20; H04R1/32; H04R1/326
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |