US715658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aeration of liquids.
Assignee: Individual
•
Filing: 1901-07-03
•
Granted: 1902-12-09
•
Expires: 1921-07-03
Abstract
No abstract record available.
Inventors
- 👤 Frank George Hampson
- 👤 Harry Swales
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:43
CPC Classifications
F; F02; F02M; F02M1/00; Y; Y10; Y10S; Y10S261/00; Y10S261/07; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87571; Y10T137/87676; Y10T137/87684; Y10T137/877; Y10T137/87829; Y10T137/87837; Y10T137/87861; Y10T137/87869; Y10T137/87877
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) | 1905-12-08 | 1906-06-09 | 1906-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-12-08 | 1910-06-09 | 1910-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-12-08 | 1914-06-09 | 1914-12-09 | $7700.00 | Window Closed / Lapsed |