US2418680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crib
Assignee: EDISON WOOD PRODUCTS Inc
•
Filing: 1943-06-16
•
Granted: 1947-04-08
•
Expires: 1963-06-16
Abstract
No abstract record available.
Inventors
- 👤 Charles E Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:54
CPC Classifications
A; A47; A47D; A47D7/00; A47D7/01; A47D7/02; A47D9/00; A47D9/012
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191315904A
Cited
US1278903A
Cited
US1596243A
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US1524236A
Cited
US1528368A
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US1540487A
Cited
US1788318A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-07 | 1950-10-07 | 1951-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-07 | 1954-10-07 | 1955-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-07 | 1958-10-07 | 1959-04-08 | $7700.00 | Window Closed / Lapsed |