US3421937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically conductive solderable metallic coatings on non-metallic bases
Assignee: Balzers Patent und Beteiligungs AG
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Filing: 1964-11-30
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Granted: 1969-01-14
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Expires: 1984-11-30
Abstract
No abstract record available.
Inventors
- 👤 Peter Rheinberger
- 👤 Fritz Kummerer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:55
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/34; C03C17/36; C03C17/3602; C03C17/3618; B; B23; B23K; B23K35/00; B23K35/001; C03C17/3642; C03C17/3652; C03C17/3655; C03C17/40; C04; C04B; C04B37/00; C04B37/02; C04B37/023; C04B37/026; C23; C23C; C23C14/00; C23C14/02; H; H01; H01B; H01B1/00; H10; H10N; H10N97/00; C04B2235/00; C04B2235/65; C04B2235/658; C04B2235/6581; C04B2235/6583; C04B2235/6585; C04B2235/6587; C04B2237/00; C04B2237/02; C04B2237/12; C04B2237/123; C04B2237/124; C04B2237/125; C04B2237/30; C04B2237/32; C04B2237/50; C04B2237/52; C04B2237/525; C04B2237/70; C04B2237/708; C04B2237/72; C04B2237/76; C04B2237/80; C04B2237/88
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2628927A
Cited
US3253331A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |