US3132514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Level indicator apparatus
Assignee: Individual
•
Filing: 1960-07-28
•
Granted: 1964-05-12
•
Expires: 1980-07-28
Abstract
No abstract record available.
Inventors
- 👤 Jack D Plessinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:24
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/14; G01F23/18; G01F23/16; G01F23/162
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1405832A
Cited
US1652001A
Cited
US1641229A
Cited
DE402285C
Cited
FR971976A
Cited
US2486930A
Cited
US2747404A
Cited
US2931224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |