US2607235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expanding-pulley variable-speed gear
Assignee: Individual
•
Filing: 1949-07-08
•
Granted: 1952-08-19
•
Expires: 1969-07-08
Abstract
No abstract record available.
Inventors
- 👤 Ruegenberg Gottfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:58
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/66; F16H61/662; F16H61/6625
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB191230003A
Cited
GB132800A
Cited
US2008992A
Cited
US2054564A
Cited
US2050358A
Cited
US2478289A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |