Patent US1290513A successfully refreshed from Google Patents.
US1290513A
Expired / Lapsed
US
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Proportioning-regulator for fluids.
Assignee: Individual
•
Filing: 1918-07-30
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Granted: 1919-01-07
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Expires: 1938-07-30
Abstract
No abstract record available.
Inventors
- 👤 Charles S Collins
- 👤 Louis Roessel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:31
CPC Classifications
G; G05; G05D; G05D11/00; G05D11/02; G05D11/13; G05D11/131; G05D11/132; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0324; Y10T137/0357; Y10T137/0363; Y10T137/2496; Y10T137/2499; Y10T137/2514; Y10T137/2521; Y10T137/7722; Y10T137/7781; Y10T137/7784; Y10T137/7787; Y10T137/7788; Y10T137/7837; Y10T137/7869; Y10T137/7875; Y10T137/8593; Y10T137/87571; Y10T137/87676
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) | 1922-01-06 | 1922-07-08 | 1923-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-01-06 | 1926-07-08 | 1927-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-01-06 | 1930-07-08 | 1931-01-07 | $7700.00 | Window Closed / Lapsed |