US2873219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal-coated batt and method and apparatus for producing same
Assignee: Individual
•
Filing: 1954-12-20
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Granted: 1959-02-10
•
Expires: 1974-12-20
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Brennan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:17
CPC Classifications
C; C23; C23C; C23C4/00; C23C4/12; C23C4/14; B; B05; B05B; B05B13/00; B05B13/02; B05B13/0207; B05B7/00; B05B7/16; B05B7/1606; B05B7/1613; C03; C03C; C03C25/00; C03C25/10; C03C25/42; C03C25/46; C23C4/02; C23C4/123
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
68 words
THE METHOD OF FORMING A POROUS ELECTRICALLY CON DUCTIVE STRIP WHICH COMPRISES PROVIDING A POROUS STRIP OF FIBROUS BASE MATERIAL PREDOMINANTLY COMPRISED OF LON GITUDINALLY EXTENDING FIBERS, INTERMINGLING DISCRETE PAR TICLES OF METAL HAVING AT LEAST THE SURFACES THEREOF MOLTEN WITH THE FIBERS IN A DISCONTINOUS RELATIONSHIP OF THE METAL PARTICLES WITH EACH OTHER SO THAT THE STRIP OF BASE MATERIAL HAVING METAL PARTICLES THEREIN IS NOT RENDERED
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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) | 1962-02-09 | 1962-08-11 | 1963-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-09 | 1966-08-11 | 1967-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-09 | 1970-08-11 | 1971-02-10 | $7700.00 | Window Closed / Lapsed |