US2920744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic conveyor systems
Assignee: United Shoe Machinery Corp
•
Filing: 1958-05-15
•
Granted: 1960-01-12
•
Expires: 1978-05-15
Abstract
No abstract record available.
Inventors
- 👤 George F C Burke
- 👤 Robert F Lane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:07
CPC Classifications
H; H05; H05K; H05K13/00; H05K13/0061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2636591A
Cited
US2711616A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |