US2663253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selective hectographic printing machine
Assignee: ADDRESS IT CORP
•
Filing: 1948-06-29
•
Granted: 1953-12-22
•
Expires: 1968-06-29
Abstract
No abstract record available.
Inventors
- 👤 Ernst C Sauerman
- 👤 Alfred J Hopkins
- 👤 Erwood Joseph
- 👤 Erwood John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:40
CPC Classifications
B; B41; B41L; B41L11/00; B41P; B41P2700/00; B41P2700/10; B41P2700/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1503822A
Cited
US1581726A
Cited
US1509091A
Cited
US1556929A
Cited
US1708268A
Cited
US1997156A
Cited
US2054344A
Cited
US2412527A
Cited
US2552869A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |