US1741631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable-speed gear
Assignee: Krupp Stahl AG
•
Filing: 1928-06-06
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Granted: 1929-12-31
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Expires: 1948-06-06
Abstract
No abstract record available.
Inventors
- 👤 Jacobs Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:03
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/02; F16H3/08; F16H3/10; F16H3/006; F16H3/14; F16H3/145; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18008; Y10T74/19; Y10T74/19219; Y10T74/19233; Y10T74/19377; Y10T74/19386; Y10T74/19391; Y10T74/194
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) | 1932-12-30 | 1933-07-01 | 1933-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-12-30 | 1937-07-01 | 1937-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-12-30 | 1941-07-01 | 1941-12-31 | $7700.00 | Window Closed / Lapsed |