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US2860375A
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Melt extractor type heating cylinders
Assignee: Individual
•
Filing: 1956-06-13
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Granted: 1958-11-18
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Expires: 1976-06-13
Abstract
No abstract record available.
Inventors
- 👤 Maccaferri Mario
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:31
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/72; B29B; B29B13/00; B29B13/02; B29B13/022; B29C48/00; B29C48/03; B29C48/25; B29C48/78; B29C48/80; B29C48/83; B29C48/832
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2372833A
Cited
US2349176A
Cited
GB629228A
Cited
US2573440A
Cited
US2783499A
Cited
US2750626A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-17 | 1962-05-19 | 1962-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-17 | 1966-05-19 | 1966-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-17 | 1970-05-19 | 1970-11-18 | $7700.00 | Window Closed / Lapsed |