US2984333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveying mechanism
Assignee: Marmon Herrington Co
•
Filing: 1959-04-21
•
Granted: 1961-05-16
•
Expires: 1979-04-21
Abstract
No abstract record available.
Inventors
- 👤 John B Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:55
CPC Classifications
B; B65; B65G; B65G21/00; B65G21/10; B65G21/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1481152A
Cited
GB423449A
Cited
US2016994A
Cited
US2670836A
Cited
US2796969A
Cited
US2788114A
Cited
US2858933A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |