Patent US2646156A successfully refreshed from Google Patents.
US2646156A
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Assignee: Burt Machine Co Inc
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Filing: 1948-08-02
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Granted: 1953-07-21
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Expires: 1968-08-02
Abstract
No abstract record available.
Inventors
- 👤 Clifford H Neer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:08
CPC Classifications
B; B65; B65G; B65G47/00; B65G2812/00; B65G2812/02; B65G2812/02267; B65G2812/02415; B65G2812/02613; B65G2812/02673; B65G2812/02683; B65G2812/02693; B65G2812/02702; B65G2812/02712
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1467008A
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US1140807A
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US1856262A
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US2020552A
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US2390261A
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US2417753A
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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) | 1956-07-20 | 1957-01-19 | 1957-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-20 | 1961-01-19 | 1961-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-20 | 1965-01-19 | 1965-07-21 | $7700.00 | Window Closed / Lapsed |