US1843181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve reseating tool
Assignee: Packard Motor Car Co
•
Filing: 1927-12-16
•
Granted: 1932-02-02
•
Expires: 1947-12-16
Abstract
No abstract record available.
Inventors
- 👤 Roy A Stougaard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:49
CPC Classifications
B; B23; B23C; B23C3/00; B23C3/02; B23C3/05; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/557; Y10T408/558; Y10T408/5587
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) | 1935-02-01 | 1935-08-03 | 1936-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-02-01 | 1939-08-03 | 1940-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-02-01 | 1943-08-03 | 1944-02-02 | $7700.00 | Window Closed / Lapsed |