US2466830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Matrix band former and cutter
Assignee: Individual
•
Filing: 1946-06-04
•
Granted: 1949-04-12
•
Expires: 1966-06-04
Abstract
No abstract record available.
Inventors
- 👤 Benjamin F Tofflemire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:33
CPC Classifications
B; B21; B21D; B21D11/00; B21D11/10; A; A61; A61C; A61C5/00; A61C5/80; A61C5/85
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US711518A
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GB177471A
Cited
US1954332A
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US2219602A
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US2247750A
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US2280460A
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US2400435A
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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) | 1952-04-11 | 1952-10-11 | 1953-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-11 | 1956-10-11 | 1957-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-11 | 1960-10-11 | 1961-04-12 | $7700.00 | Window Closed / Lapsed |