US2551147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mobile power-operated conveyer
Assignee: Individual
•
Filing: 1947-10-01
•
Granted: 1951-05-01
•
Expires: 1967-10-01
Abstract
No abstract record available.
Inventors
- 👤 Mayrath Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:08
CPC Classifications
B; B65; B65G; B65G41/00; B65G41/001; B65G41/002
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1321123A
Cited
US1790809A
Cited
US897462A
Cited
US1494223A
Cited
US1573186A
Cited
US1784872A
Cited
US1878983A
Cited
US2245997A
Cited
US2360776A
Cited
US2397420A
Cited
US2460661A
Cited
US2483290A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-30 | 1954-10-30 | 1955-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-30 | 1958-10-30 | 1959-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-30 | 1962-10-30 | 1963-05-01 | $7700.00 | Window Closed / Lapsed |