Patent US1009729A successfully refreshed from Google Patents.
US1009729A
Expired / Lapsed
US
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Shaft-coupling.
Assignee: Individual
•
Filing: 1910-08-22
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Granted: 1911-11-28
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Expires: 1930-08-22
Abstract
No abstract record available.
Inventors
- 👤 Oscar Ekeberg
- 👤 Elmer O Goordman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:13
CPC Classifications
F; F16; F16G; F16G11/00; F16G11/04; Y; Y10; Y10T; Y10T403/00; Y10T403/57; Y10T403/5793
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) | 1914-11-27 | 1915-05-29 | 1915-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-11-27 | 1919-05-29 | 1919-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-11-27 | 1923-05-29 | 1923-11-28 | $7700.00 | Window Closed / Lapsed |