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US2977175A
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Assignee: Carrara and Matta SpA
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Filing: 1956-08-31
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Granted: 1961-03-28
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Expires: 1976-08-31
Abstract
No abstract record available.
Inventors
- 👤 Bonomo Giovanni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:56
CPC Classifications
B; B65; B65F; B65F1/00; B65F1/14; B65F1/1426; B65F1/1436
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1595263A
Cited
US1918744A
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US2425083A
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US2506533A
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US2635580A
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US2784047A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-27 | 1964-09-26 | 1965-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-27 | 1968-09-26 | 1969-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-27 | 1972-09-26 | 1973-03-28 | $7700.00 | Window Closed / Lapsed |