US2618913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrading machine shoe construction
Assignee: Individual
•
Filing: 1950-02-23
•
Granted: 1952-11-25
•
Expires: 1970-02-23
Abstract
No abstract record available.
Inventors
- 👤 George H Plancon
- 👤 Paul R Baker
- 👤 Dana F Mcfall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:41
CPC Classifications
B; B24; B24B; B24B21/00; B24B21/04; B24B21/06; B24B21/08
Claims Analysis
Total Claims: 0
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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) | 1955-11-25 | 1956-05-26 | 1956-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-25 | 1960-05-26 | 1960-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-25 | 1964-05-26 | 1964-11-25 | $7700.00 | Window Closed / Lapsed |