Patent US2402248A successfully refreshed from Google Patents.
US2402248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Change-speed device
Assignee: Individual
•
Filing: 1942-11-17
•
Granted: 1946-06-18
•
Expires: 1962-11-17
Abstract
No abstract record available.
Inventors
- 👤 Jesse W Hale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:04
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/02; F16H61/0262; F16H61/0265; F16H61/0267; F16H61/0269; F16H3/00; F16H3/44; F16H3/62; F16H3/66; F16H3/663; F16H61/0293
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) | 1949-06-17 | 1949-12-17 | 1950-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-06-17 | 1953-12-17 | 1954-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-06-17 | 1957-12-17 | 1958-06-18 | $7700.00 | Window Closed / Lapsed |