Patent US3450053A successfully refreshed from Google Patents.
Patent US3361491A successfully refreshed from Google Patents.
US3361491A
Expired / Lapsed
US
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Roll bearing assembly
Assignee: INTA ROTO MACHINE CO Inc
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Filing: 1965-04-08
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Granted: 1968-01-02
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Expires: 1985-04-08
Abstract
No abstract record available.
Inventors
- 👤 Heinz K Nowisch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:27
CPC Classifications
F; F16; F16C; F16C35/00; F16C35/04; F16C35/06; F16C13/00; F16C13/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB312618A
Cited
US1793190A
Cited
US2468339A
Cited
US2594214A
Cited
US2717814A
Cited
US2736617A
Cited
US3251199A
Cited
US3198318A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |