Patent US2797729A successfully refreshed from Google Patents.
US2797729A
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Method of making a conveyor belt
Assignee: Russell Manufacturing Co
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Filing: 1955-10-04
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Granted: 1957-07-02
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Expires: 1975-10-04
Abstract
No abstract record available.
Inventors
- 👤 Leslie A Runton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:20
CPC Classifications
B; B32; B32B; B32B27/00; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1722; Y10T156/1727; Y10T156/1732; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249981; Y10T442/00; Y10T442/60; Y10T442/647; Y10T442/651
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1591303A
Cited
US1746821A
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US2295432A
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US2515778A
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US2633976A
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US2721158A
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US2723002A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-01 | 1960-12-31 | 1961-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-01 | 1964-12-31 | 1965-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-01 | 1968-12-31 | 1969-07-02 | $7700.00 | Window Closed / Lapsed |