US2912556A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically heated roll for calenders or the like
Assignee: Farrel Birmingham Co Inc
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Filing: 1958-05-02
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Granted: 1959-11-10
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Expires: 1978-05-02
Abstract
No abstract record available.
Inventors
- 👤 Hold Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:24
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/30; B29B7/58; B29B7/62; B29B7/625; D; D06; D06C; D06C15/00; D21; D21G; D21G1/00; D21G1/02; D21G1/0253; D21G1/028; F; F28; F28F; F28F5/00; F28F5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |