Patent US2639187A successfully refreshed from Google Patents.
US2639187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Truck body platform
Assignee: Electrographic Corp
•
Filing: 1947-06-19
•
Granted: 1953-05-19
•
Expires: 1967-06-19
Abstract
No abstract record available.
Inventors
- 👤 Edward S Grumbache
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:24
CPC Classifications
B; B62; B62D; B62D33/00; B62D33/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1320131A
Cited
US1322887A
Cited
US213408A
Cited
US774861A
Cited
US817626A
Cited
US1579388A
Cited
US1727609A
Cited
US1726398A
Cited
US1921597A
Cited
US1887756A
Cited
US1957497A
Cited
US2029756A
Cited
US2100323A
Cited
US2158234A
Cited
US2188548A
Cited
GB501724A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-18 | 1956-11-17 | 1957-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-18 | 1960-11-17 | 1961-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-18 | 1964-11-17 | 1965-05-19 | $7700.00 | Window Closed / Lapsed |