US2417443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal
Assignee: AUTOMATIC SIGNAL Corp
•
Filing: 1941-07-19
•
Granted: 1947-03-18
•
Expires: 1961-07-19
Abstract
No abstract record available.
Inventors
- 👤 Joseph N Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:24
CPC Classifications
G; G08; G08G; G08G1/00; G08G1/09; G08G1/095; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0876; Y10T292/0883
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US589418A
Cited
US1711477A
Cited
US755923A
Cited
US827352A
Cited
FR375434A
Cited
US1592213A
Cited
US1641681A
Cited
US1678137A
Cited
US1836845A
Cited
DE553587C
Cited
US2225217A
Cited
US2227655A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-17 | 1950-09-16 | 1951-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-17 | 1954-09-16 | 1955-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-17 | 1958-09-16 | 1959-03-18 | $7700.00 | Window Closed / Lapsed |