US2680972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bevel gear differential assembly
Assignee: Applied Devices Corp
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Filing: 1953-01-08
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Granted: 1954-06-15
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Expires: 1973-01-08
Abstract
No abstract record available.
Inventors
- 👤 John W Tone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:44
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/02; F16H55/17; F16H55/18; F16H55/20; F16H48/00; F16H48/06; F16H48/08; F16H2048/082; F16H2048/085; F16H48/38; F16H48/40; F16H2048/405; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19623
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) | 1957-06-14 | 1957-12-14 | 1958-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-14 | 1961-12-14 | 1962-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-14 | 1965-12-14 | 1966-06-15 | $7700.00 | Window Closed / Lapsed |