Patent US1963407A successfully refreshed from Google Patents.
US1963407A
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Antifriction bearing
Assignee: BANTAM BALL BEARING Co
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Filing: 1931-06-29
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Granted: 1934-06-19
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Expires: 1951-06-29
Abstract
No abstract record available.
Inventors
- 👤 Karl L Herrmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:49
CPC Classifications
F; F16; F16C; F16C19/00; F16C19/22; F16C19/24; F16C19/26; F16C33/00; F16C33/30; F16C33/46; F16C33/4617; F16C33/4623; F16C33/4629; F16C33/467; F16C33/4676; F16C33/66; F16C33/6637; F16C33/664; F16C33/6648; F16C43/00; F16C43/04; F16C43/06; F16C43/08; F16C43/083; F16C2300/00; F16C2300/02; F16C33/58; F16C33/60; F16C33/605
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-06-18 | 1937-12-18 | 1938-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-06-18 | 1941-12-18 | 1942-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-06-18 | 1945-12-18 | 1946-06-19 | $7700.00 | Window Closed / Lapsed |