Patent US2587037A successfully refreshed from Google Patents.
Patent US3428163A successfully refreshed from Google Patents.
US3428163A
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US
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Variable traction conveyor
Assignee: Teledyne Inc
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Filing: 1967-05-24
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Granted: 1969-02-18
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Expires: 1987-05-24
Abstract
No abstract record available.
Inventors
- 👤 Howard S Hershey Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:18
CPC Classifications
B; B65; B65G; B65G21/00; B65G21/20; B65G21/2009; B65G21/2018; B65G47/00; B65G47/22; B65G47/26; B65G47/28; B65G47/29
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) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |