US2623245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Top roll and bearing structure therefor
Assignee: B B SALES Co
•
Filing: 1948-07-30
•
Granted: 1952-12-30
•
Expires: 1968-07-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Winslow S Pierce
- 👤 Frank H Stearns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:47
CPC Classifications
D; D01; D01H; D01H5/00; D01H5/18; D01H5/70; D01H5/74; D01H2700/00; D01H2700/245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US777243A
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US949504A
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US1187993A
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US1665136A
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US2256193A
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US2405122A
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US2469483A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-30 | 1956-06-30 | 1956-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-30 | 1960-06-30 | 1960-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-30 | 1964-06-30 | 1964-12-30 | $7700.00 | Window Closed / Lapsed |