US2652059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Index card and removable index tab
Assignee: Individual
•
Filing: 1950-11-15
•
Granted: 1953-09-15
•
Expires: 1970-11-15
Abstract
No abstract record available.
Inventors
- 👤 Wassell Frank Lloyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:33
CPC Classifications
B; B42; B42F; B42F17/00; B42F17/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US753153A
Cited
US1790451A
Cited
US850324A
Cited
US1690889A
Cited
US1765370A
Cited
US1975662A
Cited
CH177278A
Cited
US2164133A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-14 | 1957-03-16 | 1957-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-14 | 1961-03-16 | 1961-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-14 | 1965-03-16 | 1965-09-15 | $7700.00 | Window Closed / Lapsed |