Patent US3476530A successfully refreshed from Google Patents.
US3476530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Iron based conductive filler for plastics
Assignee: Chomerics Inc
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Filing: 1966-06-10
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Granted: 1969-11-04
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Expires: 1986-06-10
Abstract
No abstract record available.
Inventors
- 👤 John E Ehrreich
- 👤 Donald H Avery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:03
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/02; C08K3/08; B; B22; B22F; B22F1/00; B22F1/17; H; H01; H01B; H01B1/00; H01B1/02; H01B1/20; H01B1/22; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12181; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12896; Y10T428/12903; Y10T428/12917
Claims Analysis
Total Claims: 0
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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) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |