US2515404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyer apparatus
Assignee: Libby Mcneill and Libby
•
Filing: 1948-05-14
•
Granted: 1950-07-18
•
Expires: 1968-05-14
Abstract
No abstract record available.
Inventors
- 👤 Grosvenor Oliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:36
CPC Classifications
B; B65; B65G; B65G33/00; B65G33/02; B65G33/04; B65G2201/00; B65G2201/02; B65G2201/0235; B65G2201/0244
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1411288A
Cited
US1530415A
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US1566611A
Cited
US1652419A
Cited
US1741981A
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US1750329A
Cited
US1702554A
Cited
US1777039A
Cited
US1850067A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |