US1946340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring
Assignee: EDELSTAHLWERK ROCHLING AG
•
Filing: 1932-07-26
•
Granted: 1934-02-06
•
Expires: 1952-07-26
Abstract
No abstract record available.
Inventors
- 👤 Vorwerk Paul Otto Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:46
CPC Classifications
B; B24; B24C; B24C1/00; B24C1/10; B21; B21F; B21F35/00; F; F16; F16F; F16F1/00; F16F1/02; F16F1/18; F16F1/24; Y; Y10; Y10S; Y10S29/00; Y10S29/036; Y10S29/049; Y10T; Y10T29/00; Y10T29/49; Y10T29/49609; Y10T29/49611
Claims Analysis
Total Claims: 0
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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) | 1937-02-05 | 1937-08-07 | 1938-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-02-05 | 1941-08-07 | 1942-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-02-05 | 1945-08-07 | 1946-02-06 | $7700.00 | Window Closed / Lapsed |