Patent US2701666A successfully refreshed from Google Patents.
US2701666A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure for hopper dump opening
Assignee: Gar Wood Industries Inc
•
Filing: 1954-07-15
•
Granted: 1955-02-08
•
Expires: 1974-07-15
Abstract
No abstract record available.
Inventors
- 👤 Hicks Willie Glen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:47
CPC Classifications
B; B65; B65D; B65D90/00; B65D90/54; B65D90/62; B65D90/623; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917
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) | 1958-02-07 | 1958-08-09 | 1959-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-07 | 1962-08-09 | 1963-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-07 | 1966-08-09 | 1967-02-08 | $7700.00 | Window Closed / Lapsed |