US2847971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Order indicator
Assignee: Individual
•
Filing: 1956-11-26
•
Granted: 1958-08-19
•
Expires: 1976-11-26
Abstract
No abstract record available.
Inventors
- 👤 Claude D Painter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:35
CPC Classifications
G; G08; G08B; G08B5/00; G08B5/02; G09; G09F; G09F3/00; G09F3/08; G09F3/18; G09F3/20; G09F3/202
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2771854A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |