US2455487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antifriction worm gearing
Assignee: Cleveland Pneumatic Tool Co
•
Filing: 1944-01-12
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Granted: 1948-12-07
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Expires: 1964-01-12
Abstract
No abstract record available.
Inventors
- 👤 Henry S Hoffar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:45
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/02; F16H57/039; F16H1/00; F16H1/02; F16H1/04; F16H1/12; F16H1/16; F16H1/163; F16H57/029; F16H57/023; F16H2057/0235; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19949; Y10T74/19953
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) | 1951-12-07 | 1952-06-07 | 1952-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-07 | 1956-06-07 | 1956-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-07 | 1960-06-07 | 1960-12-07 | $7700.00 | Window Closed / Lapsed |