US2692976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable tuned ultrahigh-frequency line
Assignee: Bosch Security Systems Inc
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Filing: 1951-10-31
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Granted: 1954-10-26
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Expires: 1971-10-31
Abstract
No abstract record available.
Inventors
- 👤 Daniel J Tomcik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:44
CPC Classifications
H; H01; H01P; H01P7/00; H01P7/02
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) | 1957-10-25 | 1958-04-26 | 1958-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-25 | 1962-04-26 | 1962-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-25 | 1966-04-26 | 1966-10-26 | $7700.00 | Window Closed / Lapsed |