Patent US2935888A successfully refreshed from Google Patents.
US2935888A
Expired / Lapsed
US
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Enveloping worm gearing
Assignee: Individual
•
Filing: 1957-12-10
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Granted: 1960-05-10
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Expires: 1977-12-10
Abstract
No abstract record available.
Inventors
- 👤 Wildhaber Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:51
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/02; F16H55/22; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19949; Y10T74/19953
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1815685A
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US1902683A
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US1903318A
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US2069433A
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US2279414A
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US2432246A
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US2619845A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-10 | 1963-11-09 | 1964-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-10 | 1967-11-09 | 1968-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-10 | 1971-11-09 | 1972-05-10 | $7700.00 | Window Closed / Lapsed |