US2369622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Orientation system
Assignee: Individual
•
Filing: 1941-06-11
•
Granted: 1945-02-13
•
Expires: 1961-06-11
Abstract
No abstract record available.
Inventors
- 👤 Toulon Pierre Maric Gabriel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:40
CPC Classifications
H; H04; H04B; H04B10/00; H04B10/11; F; F21; F21V; F21V21/00; G; G01; G01S; G01S3/00; G01S3/78; G01S3/782; G01S3/783; G01S3/785; G01S3/786; Y; Y10; Y10S; Y10S33/00; Y10S33/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-02-13 | 1948-08-14 | 1949-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-02-13 | 1952-08-14 | 1953-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-02-13 | 1956-08-14 | 1957-02-13 | $7700.00 | Window Closed / Lapsed |