US2427768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shoe polishing machine
Assignee: Individual
•
Filing: 1942-08-22
•
Granted: 1947-09-23
•
Expires: 1962-08-22
Abstract
No abstract record available.
Inventors
- 👤 William A Edington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:47
CPC Classifications
A; A47; A47L; A47L23/00; A47L23/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US767382A
Cited
US928341A
Cited
US1419018A
Cited
US1475298A
Cited
US1625339A
Cited
US1533765A
Cited
US1953376A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-22 | 1951-03-24 | 1951-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-22 | 1955-03-24 | 1955-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-22 | 1959-03-24 | 1959-09-23 | $7700.00 | Window Closed / Lapsed |