US3428378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Miniature ball bearing
Assignee: Di Mico Corp Ltd
•
Filing: 1966-11-02
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Granted: 1969-02-18
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Expires: 1986-11-02
Abstract
No abstract record available.
Inventors
- 👤 William J Divine
- 👤 Richard G P Hood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:34
CPC Classifications
F; F16; F16C; F16C43/00; F16C43/04; F16C43/06; F16C43/08; F16C43/086; F16C19/00; F16C19/02; F16C19/04; F16C19/06; F16C33/00; F16C33/30; F16C33/58; F16C33/64; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49679; Y10T29/49682; Y10T29/49684
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |