US3411954A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making electrodes
Assignee: Leesona Corp
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Filing: 1965-09-30
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Granted: 1968-11-19
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Expires: 1985-09-30
Abstract
No abstract record available.
Inventors
- 👤 Peter D Richman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:10
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/86; H01M4/8663; H01M4/8668; H01M4/88; H01M4/8803; H01M4/8807; H01M4/8817; H01M4/8825; H01M4/8828; H01M4/8846; H01M4/90; H01M4/92; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
THE METHOD OF CONSTRUCTING A LIGHTWEIGHT ELECTRODE COMPRISING THE STEPS OF APPLYING A LIQUID SUSPENSION OF A CATALYTIC MTERIAL INCLUDING A CATALYTIC ETAL AND A HYDROPHOBIC POLYMER PARTICLE TO A POROUS SUBSTRATE, DRAWING THE LIQUID MEDIUM THROUGH THE SUBSTRATE FOR REMOVING THE LIQUID SUSPENDING MEDIUM FROM SAID CATALYTIC METAL AND HYDROPHOBIC POLYMER, DISPOSING OF A POROUS METAL SUPPORT ON SAID TREATED SUBSTRATE, PRESSING SAID METAL SUPPORT ON SAID TREATED SUBSTRATE TO EFFECT PENETRATION OF THE CATALYTIC MATERIAL ABOUT SAID SUPPORT, HEATING SAID COMPOSITE OF METAL SUPPORT, CATALYTIC MATERIAL, AND SUBSTRATE AT A TEMPERATURE SUFFICIENT TO BOND THE HYDROPHOBIC POLYMER PARTICLES TO EACH OTHER AND TO SAID META SUPPORT, AND THEREAFTER REMOVING SAID SUBSTRATE.
Claim 2
Independent Claim
113 words
THE METHOD OF CONSTRUCTING A LIGHTWEIGHT ELECTRODE COMPRISING THE STEPS OF APPLYING A LIQUID SUSPENSION OF A CATALYTIC MTERIAL INCLUDING A CATALYTIC ETAL AND A HYDROPHOBIC POLYMER PARTICLE TO A POROUS SUBSTRATE, DRAWING THE LIQUID MEDIUM THROUGH THE SUBSTRATE FOR REMOVING THE LIQUID SUSPENDING MEDIUM FROM SAID CATALYTIC METAL AND HYDROPHOBIC POLYMER, DISPOSING OF A POROUS METAL SUPPORT ON SAID TREATED SUBSTRATE, PRESSING SAID METAL SUPPORT ON SAID TREATED SUBSTRATE TO EFFECT PENETRATION OF THE CATALYTIC MATERIAL ABOUT SAID SUPPORT, HEATING SAID COMPOSITE OF METAL SUPPORT, CATALYTIC MATERIAL, AND SUBSTRATE AT A TEMPERATURE SUFFICIENT TO BOND THE HYDROPHOBIC POLYMER PARTICLES TO EACH OTHER AND TO SAID META SUPPORT, AND THEREAFTER REMOVING SAID SUBSTRATE.
References Cited (Backward Citations)
GB938708A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |