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Patent US2404378A successfully refreshed from Google Patents.
US2404378A
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Antifriction worm drive
Assignee: Cleveland Pneumatic Tool Co
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Filing: 1944-08-01
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Granted: 1946-07-23
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Expires: 1964-08-01
Abstract
No abstract record available.
Inventors
- 👤 Henry S Hoffar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:07
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/02; F16H57/039; B; B62; B62D; B62D3/00; B62D3/02; B62D3/04; B62D3/06; B62D3/08; F16H1/00; F16H1/02; F16H1/04; F16H1/12; F16H1/16; F16H1/163; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1956; Y10T74/19565; Y10T74/19949; Y10T74/19953
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-07-22 | 1950-01-21 | 1950-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-07-22 | 1954-01-21 | 1954-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-07-22 | 1958-01-21 | 1958-07-23 | $7700.00 | Window Closed / Lapsed |