US3029660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball screw with stop means
Assignee: Beaver Precision Products Inc
•
Filing: 1959-11-05
•
Granted: 1962-04-17
•
Expires: 1979-11-05
Abstract
No abstract record available.
Inventors
- 👤 Richard E Sears
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:47
CPC Classifications
G; G05; G05G; G05G5/00; G05G5/04; F; F16; F16H; F16H25/00; F16H25/18; F16H25/20; F16H25/2015; F16H25/22; F16H25/2204; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18688
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US742173A
Cited
US808273A
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US1283386A
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GB481413A
Cited
US2446393A
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US2590251A
Cited
US2749812A
Cited
US2739491A
Cited
US2715341A
Cited
US2876653A
Cited
US2936645A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |