US2547868A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material distributor
Assignee: CHARLES A JUDSON
•
Filing: 1949-11-08
•
Granted: 1951-04-03
•
Expires: 1969-11-08
Abstract
No abstract record available.
Inventors
- 👤 Judson William Haddon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:45
CPC Classifications
A; A01; A01C; A01C15/00; A01C15/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US200490A
Cited
US1220684A
Cited
US1237629A
Cited
US1210636A
Cited
US1957881A
Cited
US2241633A
Cited
US2369508A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |