Patent US2611075A successfully refreshed from Google Patents.
US2611075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carrier inductive communication system for vehicles
Assignee: Westinghouse Air Brake Co
•
Filing: 1947-04-24
•
Granted: 1952-09-16
•
Expires: 1967-04-24
Abstract
No abstract record available.
Inventors
- 👤 Elbert W Marlowe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:00
CPC Classifications
H; H04; H04B; H04B5/00; B; B61; B61L; B61L23/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1955-09-16 | 1956-03-17 | 1956-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-16 | 1960-03-17 | 1960-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-16 | 1964-03-17 | 1964-09-16 | $7700.00 | Window Closed / Lapsed |