Patent US3436257A successfully refreshed from Google Patents.
US3436257A
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Metal silicate coating utilizing electrostatic field
Assignee: NORMA J VANCE
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Filing: 1964-07-30
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Granted: 1969-04-01
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Expires: 1984-07-30
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:36
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/20; C; C03; C03C; C03C17/00; C03C17/22; C03C2217/00; C03C2217/20; C03C2217/28; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2779690A
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US2919212A
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US2988458A
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US2878137A
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US3004875A
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US2971867A
Cited
US3019136A
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US2968578A
Cited
US3130066A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |