US3061026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital readout apparatus
Assignee: National Industrial Products Co
•
Filing: 1958-03-27
•
Granted: 1962-10-30
•
Expires: 1978-03-27
Abstract
No abstract record available.
Inventors
- 👤 Hecox William
- 👤 Robert E Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:19
CPC Classifications
G; G01; G01G; G01G23/00; G01G23/18; G01G23/36; G01G23/361; G01G23/38; G01G23/42; G01G23/44; Y; Y10; Y10S; Y10S177/00; Y10S177/03; Y10S177/05
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2923925A
Cited
US1717462A
Cited
US2116086A
Cited
US2376234A
Cited
US2577820A
Cited
US2924815A
Cited
US2661903A
Cited
US2686838A
Cited
US2845219A
Cited
US2679644A
Cited
US2755020A
Cited
US2793807A
Cited
US2811665A
Cited
US2766445A
Cited
US2860831A
Cited
GB762284A
Cited
US2826360A
Cited
US2775727A
Cited
US2754502A
Cited
US2944808A
Cited
US2921204A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |