US868219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-pressure regulator.
Assignee: CHARLES E FREEMAN
•
Filing: 1906-12-26
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Granted: 1907-10-15
•
Expires: 1926-12-26
Abstract
No abstract record available.
Inventors
- 👤 John M Pietzuch
- 👤 William E Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:30
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/01; G05D7/0126; Y; Y10; Y10T; Y10T137/00; Y10T137/2713; Y10T137/2774; Y10T137/2802; Y10T137/2815; Y10T137/2822; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7822
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) | 1910-10-14 | 1911-04-15 | 1911-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-10-14 | 1915-04-15 | 1915-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-10-14 | 1919-04-15 | 1919-10-15 | $7700.00 | Window Closed / Lapsed |