US3516298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Worm gearings
Assignee: Gewerkschaft Eisenhutte Westfalia GmbH
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Filing: 1968-08-22
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Granted: 1970-06-23
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Expires: 1988-08-22
Abstract
No abstract record available.
Inventors
- 👤 Frans Martin Arndt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:11
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/04; F16H57/048; F16H57/0498; F16H1/00; F16H1/02; F16H1/04; F16H1/12; F16H1/16; F16H55/00; F16H55/02; F16H55/22; F16H57/042; F16H57/043; F16H57/0431; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19623; Y10T74/19642; Y10T74/19698; Y10T74/19828; Y10T74/19842; Y10T74/19991; Y10T74/19995
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) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |