Patent US20030199984A1 successfully refreshed from Google Patents.
US2962170A
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Assignee: JOHN H BEST AND SONS
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Filing: 1958-07-01
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Granted: 1960-11-29
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Expires: 1978-07-01
Abstract
No abstract record available.
Inventors
- 👤 Leon H Best
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:32
CPC Classifications
F; F16; F16B; F16B12/00; F16B12/54; F16B12/58; A; A47; A47B; A47B47/00; A47B47/02; A47B47/021; A47B47/027; A47B57/00; A47B57/30; A47B57/54; F16B7/00; F16B7/22; F16B2200/00; F16B2200/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR741980A
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CA526717A
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US723569A
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US793903A
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US1575614A
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US2214177A
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US2716533A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |