US2584128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid level indicating apparatus
Assignee: Individual
•
Filing: 1946-07-03
•
Granted: 1952-02-05
•
Expires: 1966-07-03
Abstract
No abstract record available.
Inventors
- 👤 Joseph M Hildyard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:16
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/22; G01F23/28; G01F23/296; G01F23/2966; Y; Y10; Y10S; Y10S367/00; Y10S367/908
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB171988A
Cited
US1570781A
Cited
US1882395A
Cited
US2047974A
Cited
US2156519A
Cited
US2244484A
Cited
US2323128A
Cited
US2433599A
Cited
US2431233A
Cited
US2472249A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |