US2581222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bending process
Assignee: Masonite Corp
•
Filing: 1948-07-19
•
Granted: 1952-01-01
•
Expires: 1968-07-19
Abstract
No abstract record available.
Inventors
- 👤 Varner Alvie Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:01
CPC Classifications
B; B31; B31F; B31F1/00; B31F1/08; B29; B29C; B29C53/00; B29C53/02; B29C53/04; B31F1/0003; B31F1/0006; B31F1/0009; B31F1/0012; B29K; B29K2311/00; B29K2311/14
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) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |