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Patent US2846159A successfully refreshed from Google Patents.
US2846159A
Expired / Lapsed
US
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Road guide
Assignee: Individual
•
Filing: 1954-01-15
•
Granted: 1958-08-05
•
Expires: 1974-01-15
Abstract
No abstract record available.
Inventors
- 👤 Dwight W Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:31
CPC Classifications
G; G09; G09B; G09B29/00; G09B29/06; G09F; G09F11/00; G09F11/24; G09F11/29
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1418162A
Cited
US1553906A
Cited
US1642580A
Cited
US2188210A
Cited
US2403099A
Cited
GB659411A
Cited
US2482475A
Cited
US2657487A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |