US1285496A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for applying gas to fluids.
Assignee: Individual
•
Filing: 1917-03-28
•
Granted: 1918-11-19
•
Expires: 1937-03-28
Abstract
No abstract record available.
Inventors
- 👤 Charles F Wallace
- 👤 Martin F Tiernan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:58
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/13; G05D23/1306; G05D23/1313; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T137/2713; Y10T137/2842; Y10T137/7722; Y10T137/7781; Y10T137/7835; Y10T137/7836
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) | 1921-11-18 | 1922-05-20 | 1922-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-11-18 | 1926-05-20 | 1926-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-11-18 | 1930-05-20 | 1930-11-19 | $7700.00 | Window Closed / Lapsed |