US3498303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for washing and drying printed circuit boards
Assignee: HP Inc
•
Filing: 1968-04-29
•
Granted: 1970-03-03
•
Expires: 1988-04-29
Abstract
No abstract record available.
Inventors
- 👤 Maynard D Eaves
- 👤 John M Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:21
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/22; H05K3/26; H05K2203/00; H05K2203/07; H05K2203/0736; H05K2203/075; H05K2203/0779; H05K2203/0786; H05K2203/08; H05K2203/081; H05K2203/15; H05K2203/1509; H05K2203/1572; H05K3/227
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3123084A
Cited
US2250238A
Cited
US2356411A
Cited
US3071144A
Cited
US3218193A
Cited
US3211571A
Cited
US3367044A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |