US2504987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pin setting machine and method
Assignee: Individual
•
Filing: 1947-04-10
•
Granted: 1950-04-25
•
Expires: 1967-04-10
Abstract
No abstract record available.
Inventors
- 👤 Krah Rudolf
- 👤 Walter W Block
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:33
CPC Classifications
B; B27; B27F; B27F7/00; B27F7/02; B27F4/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49833; Y10T29/49835
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2421474A
Cited
US822867A
Cited
US1174937A
Cited
US1140228A
Cited
US1562547A
Cited
US2381985A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-24 | 1953-10-24 | 1954-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-24 | 1957-10-24 | 1958-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-24 | 1961-10-24 | 1962-04-25 | $7700.00 | Window Closed / Lapsed |