Patent US1075142A successfully refreshed from Google Patents.
US1075142A
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US
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Differential coupling device.
Assignee: Individual
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Filing: 1912-10-05
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Granted: 1913-10-07
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Expires: 1932-10-05
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Deming
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:35
CPC Classifications
F; F16; F16H; F16H48/00; F16H48/12; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19005; Y10T74/19181
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) | 1916-10-06 | 1917-04-07 | 1917-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-10-06 | 1921-04-07 | 1921-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-10-06 | 1925-04-07 | 1925-10-07 | $7700.00 | Window Closed / Lapsed |