US2490902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-inking porous printing member
Assignee: Akzo Nobel UK PLC
•
Filing: 1944-09-01
•
Granted: 1949-12-13
•
Expires: 1964-09-01
Abstract
No abstract record available.
Inventors
- 👤 Chester H Goodwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:47
CPC Classifications
B; B41; B41K; B41K3/00; B41K3/54; B41F; B41F31/00; B41F31/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US351355A
Cited
US719410A
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US1073340A
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US1721458A
Cited
US1902543A
Cited
GB476699A
Cited
US2199265A
Cited
US2263893A
Cited
US2318465A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-12 | 1953-06-13 | 1953-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-12 | 1957-06-13 | 1957-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-12 | 1961-06-13 | 1961-12-13 | $7700.00 | Window Closed / Lapsed |