US2365552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mono-ball bearing
Assignee: Individual
•
Filing: 1942-11-09
•
Granted: 1944-12-19
•
Expires: 1962-11-09
Abstract
No abstract record available.
Inventors
- 👤 Hill Frank Leroy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:40
CPC Classifications
F; F16; F16C; F16C23/00; F16C23/02; F16C23/04; F16C23/043; F16C23/045; F16C11/00; F16C11/04; F16C11/06; F16C11/0614; F16C11/0666; F16C33/00; F16C33/72; F16C33/74; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49702; Y10T403/00; Y10T403/32; Y10T403/32114; Y10T403/32196; Y10T403/32204; Y10T403/32606; Y10T403/32631; Y10T403/32681; Y10T403/32704; Y10T403/32737; Y10T403/32771
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) | 1947-12-19 | 1948-06-19 | 1948-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-12-19 | 1952-06-19 | 1952-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-12-19 | 1956-06-19 | 1956-12-19 | $7700.00 | Window Closed / Lapsed |