US910401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined throttle-valve and lubricator.
Assignee: Lunkenheimer Co
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Filing: 1908-10-05
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Granted: 1909-01-19
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Expires: 1928-10-05
Abstract
No abstract record available.
Inventors
- 👤 Edmund H Lunken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:01
CPC Classifications
F; F16; F16N; F16N7/00; F16N7/30; F16N7/32; F16N7/34; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4358; Y10T137/4372; Y10T137/4379
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) | 1912-01-19 | 1912-07-20 | 1913-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-01-19 | 1916-07-20 | 1917-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-01-19 | 1920-07-20 | 1921-01-19 | $7700.00 | Window Closed / Lapsed |