Patent US21863A successfully refreshed from Google Patents.
US3469715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unloading device for bulk materials
Assignee: HYACINTHE M BOCCHIETTI
•
Filing: 1967-11-09
•
Granted: 1969-09-30
•
Expires: 1987-11-09
Abstract
No abstract record available.
Inventors
- 👤 Hyacinthe M Bocchietti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:10
CPC Classifications
B; B63; B63B; B63B27/00; B63B27/22; B65; B65G; B65G65/00; B65G65/02; B65G65/16; B65G65/20; B65G67/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |