Patent US2530575A successfully refreshed from Google Patents.
US2530575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Eyeleting machine
Assignee: United Shoe Machinery Corp
•
Filing: 1946-05-11
•
Granted: 1950-11-21
•
Expires: 1966-05-11
Abstract
No abstract record available.
Inventors
- 👤 Sylvester L Gookin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:34
CPC Classifications
B; B21; B21F; B21F1/00; B21F1/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49174; Y10T29/49181; Y10T29/49185; Y10T29/49187
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US263622A
Cited
US1222014A
Cited
US1677968A
Cited
US1526716A
Cited
US2296983A
Cited
GB538538A
Cited
US2439465A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |