Patent GB551910A successfully refreshed from Google Patents.
US2538063A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Search and orientation system
Assignee: Individual
•
Filing: 1946-07-11
•
Granted: 1951-01-16
•
Expires: 1966-07-11
Abstract
No abstract record available.
Inventors
- 👤 Touvet Guy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:30
CPC Classifications
G; G01; G01S; G01S3/00; G01S3/78
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2142648A
Cited
US2152329A
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US2297395A
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US2257319A
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US2234244A
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US2203807A
Cited
US2245660A
Cited
US2414469A
Cited
US2419525A
Cited
US2449977A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-15 | 1954-07-17 | 1955-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-15 | 1958-07-17 | 1959-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-15 | 1962-07-17 | 1963-01-16 | $7700.00 | Window Closed / Lapsed |