Patent US1023499A successfully refreshed from Google Patents.
US3477178A
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US
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Cylinder treater apparatus
Assignee: Capvac Ind Inc
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Filing: 1965-10-20
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Granted: 1969-11-11
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Expires: 1985-10-20
Abstract
No abstract record available.
Inventors
- 👤 Clarence E Hulbert Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:01
CPC Classifications
B; B08; B08B; B08B9/00; B08B9/08; B08B9/093; B24; B24C; B24C3/00; B24C3/32; B24C3/325
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1628141A
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US2218625A
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US2358557A
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US2455514A
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US2884745A
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US3058137A
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US3109262A
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US3362109A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |