Patent US2679121A successfully refreshed from Google Patents.
US2679121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Price tag support
Assignee: Individual
•
Filing: 1952-01-10
•
Granted: 1954-05-25
•
Expires: 1972-01-10
Abstract
No abstract record available.
Inventors
- 👤 Charles F Hoofer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:01
CPC Classifications
G; G09; G09F; G09F3/00; G09F3/08; G09F3/18; G09F3/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US959735A
Cited
US1071428A
Cited
US2016942A
Cited
US2062156A
Cited
US2164299A
Cited
US2196450A
Cited
US2539167A
Cited
US2519518A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-24 | 1957-11-23 | 1958-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-24 | 1961-11-23 | 1962-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-24 | 1965-11-23 | 1966-05-25 | $7700.00 | Window Closed / Lapsed |