Patent US2970018A successfully refreshed from Google Patents.
US2970018A
Expired / Lapsed
US
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Ball bearing clamping structure
Assignee: Individual
•
Filing: 1958-07-14
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Granted: 1961-01-31
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Expires: 1978-07-14
Abstract
No abstract record available.
Inventors
- 👤 Ernesto B Ruttgers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:18
CPC Classifications
F; F16; F16C; F16C35/00; F16C35/04; F16C35/06; F16C35/07; F16C35/073; F16C19/00; F16C19/02; F16C19/04; F16C19/06; F16C2226/00; F16C2226/10; F16C2226/16; F16C2300/00; F16C2300/02; Y; Y10; Y10S; Y10S411/00; Y10S411/918; Y10S411/924; Y10S411/943
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) | 1964-01-31 | 1964-08-01 | 1965-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-31 | 1968-08-01 | 1969-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-31 | 1972-08-01 | 1973-01-31 | $7700.00 | Window Closed / Lapsed |