Patent US3365974A successfully refreshed from Google Patents.
US3365974A
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Anti-friction worm gearing drive
Assignee: Individual
•
Filing: 1965-10-07
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Granted: 1968-01-30
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Expires: 1985-10-07
Abstract
No abstract record available.
Inventors
- 👤 Edgar M Lieberman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:31
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/02; F16H57/039; F16H1/00; F16H1/02; F16H1/04; F16H1/12; F16H1/16; F16H1/163; F16H57/021; F16H57/022; F16H57/028; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19828; Y10T74/19949; Y10T74/19953
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1152061A
Cited
US1347802A
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US2403096A
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US2455487A
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US2404378A
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US2451998A
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US2673473A
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US2664760A
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US3188877A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-29 | 1971-07-31 | 1972-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-29 | 1975-07-31 | 1976-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-29 | 1979-07-31 | 1980-01-30 | $7700.00 | Window Closed / Lapsed |