Patent US332713A successfully refreshed from Google Patents.
Patent US1750218A successfully refreshed from Google Patents.
US1750218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Key-cutting machine
Assignee: Individual
•
Filing: 1927-04-18
•
Granted: 1930-03-11
•
Expires: 1947-04-18
Abstract
No abstract record available.
Inventors
- 👤 Falk Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:48
CPC Classifications
B; B23; B23C; B23C3/00; B23C3/28; B23C3/35; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/300952; Y10T409/301008
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) | 1933-03-10 | 1933-09-09 | 1934-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-03-10 | 1937-09-09 | 1938-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-03-10 | 1941-09-09 | 1942-03-11 | $7700.00 | Window Closed / Lapsed |