US2987988A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous wire conveyor and roller extractor
Assignee: Individual
•
Filing: 1958-01-27
•
Granted: 1961-06-13
•
Expires: 1978-01-27
Abstract
No abstract record available.
Inventors
- 👤 Robledano Pablo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:39
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/02; B30B9/24; B30B9/241
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US16261A
Cited
US253425A
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US458015A
Cited
US568586A
Cited
US1268247A
Cited
US1653991A
Cited
US1912467A
Cited
US2080048A
Cited
US2682216A
Cited
US2715871A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-12 | 1964-12-12 | 1965-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-12 | 1968-12-12 | 1969-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-12 | 1972-12-12 | 1973-06-13 | $7700.00 | Window Closed / Lapsed |