Patent US2687165A successfully refreshed from Google Patents.
US2687165A
Expired / Lapsed
US
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Corrugator roll mounting
Assignee: F X HOOPER Co Inc
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Filing: 1951-10-08
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Granted: 1954-08-24
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Expires: 1971-10-08
Abstract
No abstract record available.
Inventors
- 👤 Hollis Robert Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:18
CPC Classifications
B; B31; B31F; B31F1/00; B31F1/20; B31F1/24; B31F1/26; B31F1/28; B31F1/2845; B31F1/2863
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1642782A
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US1748374A
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US1765922A
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US1912709A
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US2138397A
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US2479759A
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US2545921A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-23 | 1958-02-22 | 1958-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-23 | 1962-02-22 | 1962-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-23 | 1966-02-22 | 1966-08-24 | $7700.00 | Window Closed / Lapsed |