Patent US3027827A successfully refreshed from Google Patents.
US3027827A
Expired / Lapsed
US
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Calendering apparatus
Assignee: United Engineering and Foundry Co
•
Filing: 1957-03-13
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Granted: 1962-04-03
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Expires: 1977-03-13
Abstract
No abstract record available.
Inventors
- 👤 Morris D Stone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:48
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/22; B29C43/24; D; D06; D06C; D06C15/00; D06C15/02
Claims Analysis
Total Claims: 0
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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) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |