US2419944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shoe last
Assignee: Vulcan Corp
•
Filing: 1945-06-21
•
Granted: 1947-05-06
•
Expires: 1965-06-21
Abstract
No abstract record available.
Inventors
- 👤 Clausing George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:43
CPC Classifications
A; A43; A43D; A43D3/00; A43D3/02; A43D3/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2185765A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-05-05 | 1950-11-04 | 1951-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-05 | 1954-11-04 | 1955-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-05 | 1958-11-04 | 1959-05-06 | $7700.00 | Window Closed / Lapsed |