US1395140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piston-ring tool
Assignee: Individual
•
Filing: 1920-08-04
•
Granted: 1921-10-25
•
Expires: 1940-08-04
Abstract
No abstract record available.
Inventors
- 👤 Albert F Reed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:21
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/02; B25B27/12; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/536
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) | 1924-10-24 | 1925-04-25 | 1925-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-10-24 | 1929-04-25 | 1929-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-10-24 | 1933-04-25 | 1933-10-25 | $7700.00 | Window Closed / Lapsed |