Patent US2739532A successfully refreshed from Google Patents.
US2739532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
fernandez
Assignee: —
•
Filing: —
•
Granted: 1956-03-27
•
Expires: 1973-03-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:37
CPC Classifications
B; B41; B41M; B41M1/00; B41M1/12; B28; B28B; B28B11/00; B28B11/001; B41F; B41F15/00; B41F15/08; B41F15/0804; B41F15/0809; B41F17/00; B41F17/30; B41P; B41P2215/00; B41P2215/10; B41P2215/50; B41P2217/00; B41P2217/50
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-27 | 1959-09-26 | 1960-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-27 | 1963-09-26 | 1964-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-27 | 1967-09-26 | 1968-03-27 | $7700.00 | Window Closed / Lapsed |