Patent US2939009A successfully refreshed from Google Patents.
US2939009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermotransfer duplicating process
Assignee: Individual
•
Filing: 1956-02-01
•
Granted: 1960-05-31
•
Expires: 1976-02-01
Abstract
No abstract record available.
Inventors
- 👤 Jack M Tien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:44
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/26; B41M5/28; B41M5/287; Y; Y10; Y10S; Y10S101/00; Y10S101/29
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CA516137A
Cited
US798528A
Cited
US1514222A
Cited
US1781902A
Cited
US1871683A
Cited
US1923625A
Cited
US2254483A
Cited
US2304890A
Cited
US2347022A
Cited
US2458328A
Cited
US2582932A
Cited
US2653110A
Cited
US2663579A
Cited
US2548366A
Cited
US2713822A
Cited
US2654673A
Cited
US2769391A
Cited
US2764085A
Cited
US2808777A
Cited
US2634677A
Cited
US2663656A
Cited
US2753353A
Cited
US2730456A
Cited
US2800457A
Cited
US2755200A
Cited
US2763659A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-31 | 1963-11-30 | 1964-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-31 | 1967-11-30 | 1968-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-31 | 1971-11-30 | 1972-05-31 | $7700.00 | Window Closed / Lapsed |