US3036842A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Demountable vehicle bogie
Assignee: FWD CORP
•
Filing: 1957-08-19
•
Granted: 1962-05-29
•
Expires: 1977-08-19
Abstract
No abstract record available.
Inventors
- 👤 William F Elliott
- 👤 Walter J Frisch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:21
CPC Classifications
B; B60; B60G; B60G5/00; B60G5/02; B60T; B60T11/00; B60T11/10; B60T11/103; Y; Y10; Y10S; Y10S280/00; Y10S280/07
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US494319A
Cited
US1940914A
Cited
US1930208A
Cited
US2213473A
Cited
US2291174A
Cited
US2215506A
Cited
US2337615A
Cited
US2381425A
Cited
US2328849A
Cited
US2416478A
Cited
US2391948A
Cited
US2590962A
Cited
US2663569A
Cited
US2574280A
Cited
US2721405A
Cited
US2880815A
Cited
US2819911A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |