US2645345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grain aspirating machine
Assignee: Safety Car Heating and Lighting Co
•
Filing: 1950-09-09
•
Granted: 1953-07-14
•
Expires: 1970-09-09
Abstract
No abstract record available.
Inventors
- 👤 Robert B Dodds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:49
CPC Classifications
B; B02; B02B; B02B3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US492720A
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US940469A
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US1666477A
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GB351129A
Cited
DE688169C
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US2099505A
Cited
US2392365A
Cited
US2435927A
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US2417078A
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US2428670A
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US2464212A
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US2529679A
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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) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |