US2860540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous bearing retainer ring adapted for radial expansion
Assignee: Gadget of the Month Club Inc
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Filing: 1957-03-20
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Granted: 1958-11-18
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Expires: 1977-03-20
Abstract
No abstract record available.
Inventors
- 👤 Karl H Karlsson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:08
CPC Classifications
F; F16; F16B; F16B17/00; F16B17/006; F16C; F16C35/00; F16C35/02; F16C35/04; F16C35/06; F16C35/067; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49696; Y10T29/49826; Y10T29/49908; Y10T29/49938; Y10T292/00; Y10T292/20; Y10T292/205; Y10T292/207
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) | 1961-11-17 | 1962-05-19 | 1962-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-17 | 1966-05-19 | 1966-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-17 | 1970-05-19 | 1970-11-18 | $7700.00 | Window Closed / Lapsed |