US2936680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Card carriers and method of making same
Assignee: Individual
•
Filing: 1958-03-28
•
Granted: 1960-05-17
•
Expires: 1978-03-28
Abstract
No abstract record available.
Inventors
- 👤 Edward H Copen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:08
CPC Classifications
B; B42; B42F; B42F7/00; B42F7/02; B42F7/025; B42F17/00; B42F17/18; B42P; B42P2201/00; B42P2201/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |