US2443137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-inking seal press
Assignee: Individual
•
Filing: 1946-05-27
•
Granted: 1948-06-08
•
Expires: 1966-05-27
Abstract
No abstract record available.
Inventors
- 👤 Clarence C Hogan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:32
CPC Classifications
B; B41; B41K; B41K3/00; B41K3/02; B41K3/04; B41K3/54; B41K3/60
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-08 | 1951-12-08 | 1952-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-08 | 1955-12-08 | 1956-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-08 | 1959-12-08 | 1960-06-08 | $7700.00 | Window Closed / Lapsed |