US2880849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible and extensible conveyor and loader
Assignee: Individual
•
Filing: 1956-11-30
•
Granted: 1959-04-07
•
Expires: 1976-11-30
Abstract
No abstract record available.
Inventors
- 👤 Craggs Joseph
- 👤 Keith R Mccann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:26
CPC Classifications
B; B65; B65G; B65G39/00; B65G39/10; B65G39/12; B65G39/14; B65G39/145; B65G21/00; B65G21/10; B65G21/14
Claims Analysis
Total Claims: 0
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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) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |