US2804821A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making check protecting stamps
Assignee: Individual
•
Filing: 1953-12-28
•
Granted: 1957-09-03
•
Expires: 1973-12-28
Abstract
No abstract record available.
Inventors
- 👤 Louis J Misuraca
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:51
CPC Classifications
B; B41; B41K; B41K1/00; B41K1/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1261587A
Cited
US1282796A
Cited
US1448994A
Cited
US1819375A
Cited
US2206088A
Cited
US2311013A
Cited
US2305853A
Cited
US2609749A
Cited
US2500598A
Cited
US2633799A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-02 | 1961-03-04 | 1961-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-02 | 1965-03-04 | 1965-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-02 | 1969-03-04 | 1969-09-03 | $7700.00 | Window Closed / Lapsed |