Patent US1907015A successfully refreshed from Google Patents.
US1907015A
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Antifriction bearing
Assignee: Rollway Bearing Co Inc
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Filing: 1931-11-19
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Granted: 1933-05-02
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Expires: 1951-11-19
Abstract
No abstract record available.
Inventors
- 👤 Clarence A Swart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:29
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/46; F16C33/56; F16C41/00; F16C41/04; F16C41/045; F16C43/00; F16C43/04; F16C43/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49679; Y10T29/4968; Y10T29/49682; Y10T29/4981; Y10T29/53; Y10T29/53104
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) | 1936-05-01 | 1936-10-31 | 1937-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-05-01 | 1940-10-31 | 1941-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-05-01 | 1944-10-31 | 1945-05-02 | $7700.00 | Window Closed / Lapsed |