US3225595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid depth measuring apparatus
Assignee: Duracell Inc USA
•
Filing: 1964-03-16
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Granted: 1965-12-28
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Expires: 1984-03-16
Abstract
No abstract record available.
Inventors
- 👤 Gianni A Dotto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:31
CPC Classifications
D; D06; D06F; D06F39/00; D06F39/08; D06F39/087; G; G01; G01F; G01F23/00; G01F23/14; G01F23/16; G01F23/161; G01L; G01L9/00; G01L9/0041; G01L9/0051; G01L9/0057; H; H01; H01H; H01H35/00; H01H35/24; H01H35/26; H01H35/2607; H01H35/2614; H01H35/30; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/729
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A MANUALLY ADJUSTABLE CONDITION RESPONSIVE DEVICE ACUTATED WHEN A PREDETERMINED CONDITION IS EXCEEDED COMPRISING: A HOUSING; FLEXIBLE SHEET MOUNTED IN SAID HOUSING AND EXTENDING THEREACROSS SO AS TO DEFINE A FIRST COMPARTMENT ON A FIRST SIDE OF SAID SHEET AND DEFINE A SECOND COMPARTMENT ON A SECOND SIDE OF SAID SHEET; A FIRST APERTURE IN SAID HOUSING TO SAID FIRST COMPARTMENT SO THAT THE FIRST CHAMBER COMMUNICATES WITH A CONDITION; A SECOND APERTURE IN SAID HOUSING TO SAID SECOND COMPARTMENT; A MOVABLE ARM EXTENDING THROUGH SAID SECOND APERTURE AND ENGAGING SAID SECOND SIDE OF SAID SHEET SO THAT SAID MOVABLE ARM IS DISPLACED BY SAID SHEET WHEN SAID SHEET RESPONDS TO A CONDITION; AND A SWITCH RESPONSIVE TO THE DISPLACEMENT OF SAID MOVABLE ARM ONLY AFTER SAID PREDETERMINED CONDITION IS EXCEEDED, SAID PREDETERMINED CON-
Claim 2
Dependent Claim
134 words
A MANUALLY ADJUSTABLE CONDITION RESPONSIVE DEVICE ACUTATED WHEN A PREDETERMINED CONDITION IS EXCEEDED COMPRISING: A HOUSING; FLEXIBLE SHEET MOUNTED IN SAID HOUSING AND EXTENDING THEREACROSS SO AS TO DEFINE A FIRST COMPARTMENT ON A FIRST SIDE OF SAID SHEET AND DEFINE A SECOND COMPARTMENT ON A SECOND SIDE OF SAID SHEET; A FIRST APERTURE IN SAID HOUSING TO SAID FIRST COMPARTMENT SO THAT THE FIRST CHAMBER COMMUNICATES WITH A CONDITION; A SECOND APERTURE IN SAID HOUSING TO SAID SECOND COMPARTMENT; A MOVABLE ARM EXTENDING THROUGH SAID SECOND APERTURE AND ENGAGING SAID SECOND SIDE OF SAID SHEET SO THAT SAID MOVABLE ARM IS DISPLACED BY SAID SHEET WHEN SAID SHEET RESPONDS TO A CONDITION; AND A SWITCH RESPONSIVE TO THE DISPLACEMENT OF SAID MOVABLE ARM ONLY AFTER SAID PREDETERMINED CONDITION IS EXCEEDED, SAID PREDETERMINED CON-
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |