US2430737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adapter
Assignee: The Colson Corp
•
Filing: 1943-05-20
•
Granted: 1947-11-11
•
Expires: 1963-05-20
Abstract
No abstract record available.
Inventors
- 👤 William C Roe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:38
CPC Classifications
A; A47; A47B; A47B91/00; A47B91/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US780684A
Cited
GB190506619A
Cited
US1919666A
Cited
US1927271A
Cited
US2155826A
Cited
US2155827A
Cited
US2155828A
Cited
US2207549A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-10 | 1951-05-12 | 1951-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-10 | 1955-05-12 | 1955-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-10 | 1959-05-12 | 1959-11-11 | $7700.00 | Window Closed / Lapsed |