US2932807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure responsive electrical instruments
Assignee: Individual
•
Filing: 1956-06-14
•
Granted: 1960-04-12
•
Expires: 1976-06-14
Abstract
No abstract record available.
Inventors
- 👤 Marlan E Bourns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:34
CPC Classifications
G; G01; G01L; G01L9/00; G01L9/0026; G01L9/0027; G01L13/00; G01L13/02; G01L13/021; G01L13/023; G01L9/003; G01L9/0033; G01L9/0035; Y; Y10; Y10S; Y10S73/00; Y10S73/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1285145A
Cited
US1908503A
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US2061863A
Cited
US2060316A
Cited
US2097146A
Cited
US2542717A
Cited
US2601678A
Cited
US2622177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |