US3060269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carrier signalling system
Assignee: TDK Micronas GmbH
•
Filing: 1959-10-14
•
Granted: 1962-10-23
•
Expires: 1979-10-14
Abstract
No abstract record available.
Inventors
- 👤 Stack Bogdan Roman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:17
CPC Classifications
H; H04; H04Q; H04Q1/00; H04Q1/18; H04Q1/30; H04Q1/44; H04Q1/442; H04Q1/4423; H01; H01J; H01J1/00; H01J1/02; H01J1/13; H01J1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2008563A
Cited
US1522580A
Cited
US2616960A
Cited
US2740890A
Cited
US2816238A
Cited
US2992338A
Cited
US2951980A
Cited
US2927966A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |