US3457089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroless copperplating
Assignee: Shipley Co Inc
•
Filing: 1967-04-07
•
Granted: 1969-07-22
•
Expires: 1987-04-07
Abstract
No abstract record available.
Inventors
- 👤 Charles R Shipley Jr
- 👤 Michael Gulla
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:50
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/31; C23C18/38; C23C18/40; C23C18/405
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3326700A
Cited
US3361580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |