US2966566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal transmitting apparatus
Assignee: American District Telegraph Co
•
Filing: 1958-10-07
•
Granted: 1960-12-27
•
Expires: 1978-10-07
Abstract
No abstract record available.
Inventors
- 👤 Arthur B Hube
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:04
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24; H01H35/32; F; F15; F15B; F15B5/00; G; G01; G01L; G01L19/00; G01L19/08; H01H35/26; H01H35/2607
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1933580A
Cited
US1936970A
Cited
US2043579A
Cited
US2537185A
Cited
US2520219A
Cited
US2545056A
Cited
US2538639A
Cited
US2792465A
Cited
US2828391A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |