US3253416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material handling conveyer
Assignee: Individual
•
Filing: 1962-10-25
•
Granted: 1966-05-31
•
Expires: 1982-10-25
Abstract
No abstract record available.
Inventors
- 👤 Frank J Madison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:49
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/74; B65G47/94; B65G47/945
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA557659A
Cited
US704181A
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US1156385A
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US1328099A
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DE340620C
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US1980634A
Cited
US2168622A
Cited
US2263506A
Cited
US2523829A
Cited
US2935424A
Cited
DE1121539B
Cited
US3065843A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |