Patent US2989993A successfully refreshed from Google Patents.
US2989993A
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US
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Charging device for pressurized containers
Assignee: KARL KIEFER MACHINE Co
•
Filing: 1958-01-09
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Granted: 1961-06-27
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Expires: 1978-01-09
Abstract
No abstract record available.
Inventors
- 👤 Charles W Osmond
- 👤 Paul R Fechheimer
- 👤 Robert W Kinney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:59
CPC Classifications
B; B65; B65B; B65B43/00; B65B43/42; B65B43/54; B65B43/56; B65B43/58; B65B31/00; B65B31/003
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-26 | 1964-12-26 | 1965-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-26 | 1968-12-26 | 1969-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-26 | 1972-12-26 | 1973-06-27 | $7700.00 | Window Closed / Lapsed |