Patent US1746724A successfully refreshed from Google Patents.
Patent US2029388A successfully refreshed from Google Patents.
US2029388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Head shaping machine
Assignee: Woodings Verona Tool Works
•
Filing: 1934-06-30
•
Granted: 1936-02-04
•
Expires: 1954-06-30
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Richardson
- 👤 Charles W Dawson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:06
CPC Classifications
B; B23; B23C; B23C3/00; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/306664; Y10T409/306776; Y10T409/307168
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) | 1939-02-03 | 1939-08-05 | 1940-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-02-03 | 1943-08-05 | 1944-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-02-03 | 1947-08-05 | 1948-02-04 | $7700.00 | Window Closed / Lapsed |