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US2796012A
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Assignee: Individual
•
Filing: 1953-02-26
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Granted: 1957-06-18
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Expires: 1973-02-26
Abstract
No abstract record available.
Inventors
- 👤 Casper A Botha
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:18
CPC Classifications
A; A01; A01B; A01B13/00; A01B13/08; A01B15/00; A01B15/02; A01B15/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US397415A
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US601904A
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US1099304A
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US1641050A
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AU2245329A
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US1914731A
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US2142919A
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US2312371A
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US2306930A
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US2467289A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-17 | 1960-12-17 | 1961-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-17 | 1964-12-17 | 1965-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-17 | 1968-12-17 | 1969-06-18 | $7700.00 | Window Closed / Lapsed |