Patent US3002792A successfully refreshed from Google Patents.
US3002792A
Expired / Lapsed
US
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Roller conveyer structure
Assignee: Mathews Conveyer Co
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Filing: 1958-11-20
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Granted: 1961-10-03
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Expires: 1978-11-20
Abstract
No abstract record available.
Inventors
- 👤 Lee E Sekulski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:00
CPC Classifications
B; B65; B65G; B65G13/00; B65G13/11; B65G39/00; B65G39/10; B65G39/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1292799A
Cited
US1837480A
Cited
US2103106A
Cited
US2391272A
Cited
US2483345A
Cited
US2827153A
Cited
US2843432A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-02 | 1965-04-03 | 1965-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-02 | 1969-04-03 | 1969-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-02 | 1973-04-03 | 1973-10-03 | $7700.00 | Window Closed / Lapsed |