US2664648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Graphic recording device
Assignee: Individual
•
Filing: 1951-03-02
•
Granted: 1954-01-05
•
Expires: 1971-03-02
Abstract
No abstract record available.
Inventors
- 👤 Louis C Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:30
CPC Classifications
G; G09; G09B; G09B1/00; G09B1/02; G09B1/16; G09B1/28; G09F; G09F7/00; G09F7/02; G09F7/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US302723A
Cited
US349790A
Cited
US1227661A
Cited
US1338790A
Cited
US1554466A
Cited
US1623216A
Cited
US1889006A
Cited
US2118675A
Cited
US2275313A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |