Patent US1818968A successfully refreshed from Google Patents.
US1818968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gauging apparatus
Assignee: SKAYEF BALL BEARING Co
•
Filing: 1928-09-12
•
Granted: 1931-08-18
•
Expires: 1948-09-12
Abstract
No abstract record available.
Inventors
- 👤 Anderson Erick Torvald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:20
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/04; B07C5/06
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) | 1934-08-17 | 1935-02-16 | 1935-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-08-17 | 1939-02-16 | 1939-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-08-17 | 1943-02-16 | 1943-08-18 | $7700.00 | Window Closed / Lapsed |