US3045179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid state elapsed time indicator
Assignee: Individual
•
Filing: 1959-09-08
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Granted: 1962-07-17
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Expires: 1979-09-08
Abstract
No abstract record available.
Inventors
- 👤 Henry B Maier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:20
CPC Classifications
G; G04; G04F; G04F7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
IN AN ELECTRICAL UNIT FOR MEASURING AND INDICATING THE ELAPSED TIME DURING WHICH A FIXED CURRENT HAS BEEN APPLIED TO SAID UNIT, A FLEXIBLE POLYVINYL PLASTIC TUBING AND TWO ALLOY WIRE ELECTRODES OF STAINLESS STEEL, EACH WIRE INSERTED INTO AND AXIALLY PROTUBEING SLIGHTLY THROUGH A PLASTIC PLUG IN EACH END OF THE TUBING, A MIXTURE OF ALUMINUM SULFATE AND SODIUM CHLORIDE GROUND TOGETHER AND SLIGHTLY MOSITENED WITH SATURATED SODIUM CHLORIDE SOLUTION TO FORM A CONDUCTIVE, SEMI DY PASTE, SAID PASTE BEING PACKED INTO AND CONTAINED WITHIN SAID TUBING, THE ENDS OF THE TUBING TOGETHER WITH THE JUNCTIONS WITH THE WIRE CONDUCTORS BE-
Claim 2
Dependent Claim
102 words
IN AN ELECTRICAL UNIT FOR MEASURING AND INDICATING THE ELAPSED TIME DURING WHICH A FIXED CURRENT HAS BEEN APPLIED TO SAID UNIT, A FLEXIBLE POLYVINYL PLASTIC TUBING AND TWO ALLOY WIRE ELECTRODES OF STAINLESS STEEL, EACH WIRE INSERTED INTO AND AXIALLY PROTUBEING SLIGHTLY THROUGH A PLASTIC PLUG IN EACH END OF THE TUBING, A MIXTURE OF ALUMINUM SULFATE AND SODIUM CHLORIDE GROUND TOGETHER AND SLIGHTLY MOSITENED WITH SATURATED SODIUM CHLORIDE SOLUTION TO FORM A CONDUCTIVE, SEMI DY PASTE, SAID PASTE BEING PACKED INTO AND CONTAINED WITHIN SAID TUBING, THE ENDS OF THE TUBING TOGETHER WITH THE JUNCTIONS WITH THE WIRE CONDUCTORS BE-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |