US2423862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Binding and covering apparatus
Assignee: Individual
•
Filing: 1944-12-30
•
Granted: 1947-07-15
•
Expires: 1964-12-30
Abstract
No abstract record available.
Inventors
- 👤 Casimer E Vorobik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:34
CPC Classifications
B; B21; B21D; B21D39/00; B21D39/04; F; F42; F42B; F42B33/00; F42B33/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US605195A
Cited
US1177240A
Cited
US2093092A
Cited
US2066085A
Cited
US2313689A
Cited
US2375599A
Cited
US2375574A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-07-14 | 1951-01-13 | 1951-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-14 | 1955-01-13 | 1955-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-14 | 1959-01-13 | 1959-07-15 | $7700.00 | Window Closed / Lapsed |