US2442037A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wedge belt
Assignee: Wingfoot Corp
•
Filing: 1945-04-19
•
Granted: 1948-05-25
•
Expires: 1965-04-19
Abstract
No abstract record available.
Inventors
- 👤 Raymond S Carter
- 👤 Marvin L Dorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:51
CPC Classifications
F; F16; F16G; F16G5/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US585416A
Cited
US811794A
Cited
US1185336A
Cited
US1537075A
Cited
US1890082A
Cited
US2029381A
Cited
US2211202A
Cited
US2167384A
Cited
US2347798A
Cited
US2356249A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-25 | 1951-11-24 | 1952-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-25 | 1955-11-24 | 1956-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-25 | 1959-11-24 | 1960-05-25 | $7700.00 | Window Closed / Lapsed |