Patent US2587719A successfully refreshed from Google Patents.
Patent US1204666A successfully refreshed from Google Patents.
US1204666A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piston-valve.
Assignee: Individual
•
Filing: 1915-10-08
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Granted: 1916-11-14
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Expires: 1935-10-08
Abstract
No abstract record available.
Inventors
- 👤 Joseph M Kern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:16
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/04; F01; F01L; F01L15/00; F01L15/08; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/8667
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) | 1919-11-14 | 1920-05-15 | 1920-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-11-14 | 1924-05-15 | 1924-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-11-14 | 1928-05-15 | 1928-11-14 | $7700.00 | Window Closed / Lapsed |