US2238197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing structure
Assignee: JOHN WARREN WATSON Co
•
Filing: 1938-09-15
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Granted: 1941-04-15
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Expires: 1958-09-15
Abstract
No abstract record available.
Inventors
- 👤 Watson John Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:23
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/18; B; B60; B60G; B60G2204/00; B60G2204/40; B60G2204/41; B60G2204/418; B60G2204/44; B60G2204/4402; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49696
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) | 1944-04-14 | 1944-10-14 | 1945-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-04-14 | 1948-10-14 | 1949-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-04-14 | 1952-10-14 | 1953-04-15 | $7700.00 | Window Closed / Lapsed |