US983409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lining for engine-cylinders.
Assignee: Individual
•
Filing: 1910-06-28
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Granted: 1911-02-07
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Expires: 1930-06-28
Abstract
No abstract record available.
Inventors
- 👤 Einar N Sorensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:25
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/16; F04B53/162; F04B53/166; F04B53/168; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49815; Y10T29/49822; Y10T29/53; Y10T29/53796; Y10T29/53848; Y10T29/53857; Y10T29/53891
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) | 1914-02-06 | 1914-08-08 | 1915-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-02-06 | 1918-08-08 | 1919-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-02-06 | 1922-08-08 | 1923-02-07 | $7700.00 | Window Closed / Lapsed |