US2942466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motored manometer for indicating and recording fluid level variations
Assignee: Individual
•
Filing: 1956-10-30
•
Granted: 1960-06-28
•
Expires: 1976-10-30
Abstract
No abstract record available.
Inventors
- 👤 Edgar G Barron
- 👤 Harold O Wires
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:10
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/14; G01F23/16; G01F23/165
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1699812A
Cited
US1261262A
Cited
US2266955A
Cited
FR886024A
Cited
US2380177A
Cited
US2441149A
Cited
US2389508A
Cited
US2502167A
Cited
US2609687A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |