US2033710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copper alloys
Assignee: Westinghouse Electric Corp
•
Filing: 1935-02-08
•
Granted: 1936-03-10
•
Expires: 1955-02-08
Abstract
No abstract record available.
Inventors
- 👤 Franz R Hensel
- 👤 Earl I Larsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:42
CPC Classifications
F; F02; F02F; F02F1/00; F02F1/24; F02F1/26; F02F1/36; F02F1/38; C; C22; C22C; C22C9/00; F02B; F02B1/00; F02B1/02; F02B1/04; F02F1/365; F02F2001/244; F02F2001/245
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) | 1939-03-10 | 1939-09-09 | 1940-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-03-10 | 1943-09-09 | 1944-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-03-10 | 1947-09-09 | 1948-03-10 | $7700.00 | Window Closed / Lapsed |