US2557203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heavy-duty load conveyer
Assignee: Individual
•
Filing: 1949-04-23
•
Granted: 1951-06-19
•
Expires: 1969-04-23
Abstract
No abstract record available.
Inventors
- 👤 Edward A Rehberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:18
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/64; B60P1/6418; B60P1/6454
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1455821A
Cited
US1563863A
Cited
US1860396A
Cited
US2305762A
Cited
GB481359A
Cited
US2452681A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-18 | 1954-12-18 | 1955-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-18 | 1958-12-18 | 1959-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-18 | 1962-12-18 | 1963-06-19 | $7700.00 | Window Closed / Lapsed |