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US3035690A
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Assignee: Chart Pak Inc
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Filing: 1961-06-28
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Granted: 1962-05-22
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Expires: 1981-06-28
Abstract
No abstract record available.
Inventors
- 👤 Louis A Frohbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:27
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/0002; H05K1/00; H05K1/02; H05K1/11; H05K1/115; H05K1/116; H05K2203/00; H05K2203/05; H05K2203/0548; H05K2203/056; Y; Y10; Y10S; Y10S428/00; Y10S428/901
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) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |