US3028875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for draining and replenishing water or other liquids
Assignee: Individual
•
Filing: 1959-04-30
•
Granted: 1962-04-10
•
Expires: 1979-04-30
Abstract
No abstract record available.
Inventors
- 👤 Ivan M Alguire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:43
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/01; G05D7/0166; G05D9/00; G05D9/04; Y; Y10; Y10S; Y10S261/00; Y10S261/11; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/7287; Y10T137/7303; Y10T137/7358; Y10T137/7365; Y10T137/7404; Y10T137/8593; Y10T137/86389; Y10T137/86405; Y10T137/86413
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1200961A
Cited
US1999439A
Cited
US1998478A
Cited
US2018169A
Cited
US2335716A
Cited
US2658520A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |