Patent US2612044A successfully refreshed from Google Patents.
US2612044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Remote water level indicator
Assignee: Diamond Power Specialty Corp
•
Filing: 1948-07-16
•
Granted: 1952-09-30
•
Expires: 1968-07-16
Abstract
No abstract record available.
Inventors
- 👤 Mart Le Roy S De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:04
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/14; G01F23/16
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE315895C
Cited
US813096A
Cited
US1256904A
Cited
DE327063C
Cited
GB198532A
Cited
GB234484A
Cited
US2286919A
Cited
US2225608A
Cited
US2215660A
Cited
FR847533A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-30 | 1956-03-31 | 1956-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-30 | 1960-03-31 | 1960-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-30 | 1964-03-31 | 1964-09-30 | $7700.00 | Window Closed / Lapsed |