US1677682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential mechanism
Assignee: CLIPPER MANFUACTURING Co
•
Filing: 1924-10-28
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Granted: 1928-07-17
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Expires: 1944-10-28
Abstract
No abstract record available.
Inventors
- 👤 Rowley K Ortt
- 👤 Elwood K Ortt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:15
CPC Classifications
F; F16; F16H; F16H48/00; F16H48/12; F16H48/14; F16H48/142; F16D; F16D41/00; F16D41/22; F16H48/20; F16H48/24; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19005
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) | 1931-07-17 | 1932-01-16 | 1932-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-07-17 | 1936-01-16 | 1936-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-07-17 | 1940-01-16 | 1940-07-17 | $7700.00 | Window Closed / Lapsed |