US3044720A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impact crushing apparatus
Assignee: Individual
•
Filing: 1960-09-30
•
Granted: 1962-07-17
•
Expires: 1980-09-30
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Bridgewater
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:42
CPC Classifications
B; B02; B02C; B02C13/00; B02C13/14; B02C13/18; B02C13/1807; B02C13/1814; B02C13/1828; B02C2013/1878
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US493531A
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US13713A
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GB184609A
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US1547385A
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US1499455A
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GB394478A
Cited
US2046711A
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US2012694A
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US2124393A
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US2192606A
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US2525650A
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US2637502A
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US2752098A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |