US730085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cylinder relief-valve.
Assignee: Individual
•
Filing: 1902-04-14
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Granted: 1903-06-02
•
Expires: 1922-04-14
Abstract
No abstract record available.
Inventors
- 👤 Anton Julius Gustav Edward Berg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:09
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/04; F16K11/044; F16K15/00; F16K15/02; F16K15/06; F16K15/063; F16K15/066; F16K2200/00; F16K2200/30; F16K2200/301; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/2567; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7845; Y10T137/7846
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) | 1906-06-01 | 1906-12-01 | 1907-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-06-01 | 1910-12-01 | 1911-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-06-01 | 1914-12-01 | 1915-06-02 | $7700.00 | Window Closed / Lapsed |