US3454136A
Expired / Lapsed
US
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Lubricating device for the interengaging elements of a worm and an internally threaded member
Assignee: WERKZEUG MAS FAB ADOLF WALDRIC
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Filing: 1966-02-07
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Granted: 1969-07-08
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Expires: 1986-02-07
Abstract
No abstract record available.
Inventors
- 👤 Friedrich Stark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:56
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/18; F16H25/20; F16H25/24; F16H57/00; F16H57/04; F16H57/042; F16H57/043; F16H57/0431; F16H57/048; F16H57/0498; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18744; Y10T74/19; Y10T74/19991
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) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |