US1241256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal-working machine.
Assignee: STEEL UTILITIES Inc
•
Filing: 1914-05-16
•
Granted: 1917-09-25
•
Expires: 1934-05-16
Abstract
No abstract record available.
Inventors
- 👤 Louis A Hawthorne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:16
CPC Classifications
B; B26; B26D; B26D5/00; B26D5/08; Y; Y10; Y10T; Y10T83/00; Y10T83/444; Y10T83/4443; Y10T83/4448; Y10T83/525; Y10T83/538; Y10T83/566; Y10T83/5669; Y10T83/5733; Y10T83/808; Y10T83/817; Y10T83/819; Y10T83/869; Y10T83/8691; Y10T83/8759; Y10T83/8761; Y10T83/8821; Y10T83/8835
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1920-09-24 | 1921-03-26 | 1921-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-09-24 | 1925-03-26 | 1925-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-09-24 | 1929-03-26 | 1929-09-25 | $7700.00 | Window Closed / Lapsed |