Patent US2994993A successfully refreshed from Google Patents.
US2994993A
Expired / Lapsed
US
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Roller construction
Assignee: Crane Packing Co
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Filing: 1958-11-13
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Granted: 1961-08-08
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Expires: 1978-11-13
Abstract
No abstract record available.
Inventors
- 👤 David W Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:44
CPC Classifications
B; B24; B24B; B24B37/00; B24B37/04; B24B37/07; B24B37/10; B24B37/102
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US277154A
Cited
US732728A
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US2079076A
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US2264598A
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US2660840A
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US2627144A
Cited
US2777330A
Cited
US2839877A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |