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US784408A
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Pressure-regulator.
Assignee: FOSTER ENGINEERING Co
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Filing: 1904-08-18
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Granted: 1905-03-07
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Expires: 1924-08-18
Abstract
No abstract record available.
Inventors
- 👤 William F Krichbaum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:32
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/14; G05D16/16; G05D16/163; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7758; Y10T137/7762; Y10T137/7764; Y10T137/7768; Y10T137/7781; Y10T137/7782
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) | 1908-03-06 | 1908-09-05 | 1909-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-03-06 | 1912-09-05 | 1913-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-03-06 | 1916-09-05 | 1917-03-07 | $7700.00 | Window Closed / Lapsed |