Patent US1461071A successfully refreshed from Google Patents.
US2333451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marking device
Assignee: Individual
•
Filing: 1941-12-23
•
Granted: 1943-11-02
•
Expires: 1961-12-23
Abstract
No abstract record available.
Inventors
- 👤 Sussman Philip
- 👤 Sidney D Barlow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:09
CPC Classifications
B; B43; B43K; B43K1/00; B43K1/08; B43K1/086; B43K1/088; B43K7/00; B43K7/02; B43K7/03
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-11-01 | 1947-05-03 | 1947-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-11-01 | 1951-05-03 | 1951-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-11-01 | 1955-05-03 | 1955-11-02 | $7700.00 | Window Closed / Lapsed |