US1966446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impact tool
Assignee: Individual
•
Filing: 1933-02-14
•
Granted: 1934-07-17
•
Expires: 1953-02-14
Abstract
No abstract record available.
Inventors
- 👤 Harvey C Hayes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:18
CPC Classifications
H; H10; H10N; H10N35/00; B; B21; B21B; B21B11/00; Y; Y10; Y10S; Y10S29/00; Y10S29/046; Y10S29/052; Y10S366/00; Y10S366/60; Y10S451/00; Y10S451/91; Y10S82/00; Y10S82/904
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) | 1937-07-16 | 1938-01-15 | 1938-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-07-16 | 1942-01-15 | 1942-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-07-16 | 1946-01-15 | 1946-07-17 | $7700.00 | Window Closed / Lapsed |