Patent US3428373A successfully refreshed from Google Patents.
US3428373A
Expired / Lapsed
US
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Conveyor roll assembly with removable shaft bearing retainer
Assignee: Rex Chainbelt Inc
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Filing: 1966-08-17
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Granted: 1969-02-18
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Expires: 1986-08-17
Abstract
No abstract record available.
Inventors
- 👤 Philip J Imse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:33
CPC Classifications
F; F16; F16C; F16C13/00; F16C13/02; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53104; Y10T29/53796; Y10T29/53848; Y10T29/53857; Y10T29/53878; Y10T29/53883; Y10T29/53909; Y10T29/53943; Y10T29/53952; Y10T29/53957
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1818626A
Cited
US1802012A
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US2380068A
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US2487331A
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US2618189A
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US2721377A
Cited
US3030702A
Cited
US3104460A
Cited
US3332536A
Cited
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 |