Patent US2995640A successfully refreshed from Google Patents.
US2995640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for controlling from outside a mechanical or electrical member contained in a pressure tight box or container, with no element passing through the box
Assignee: Individual
•
Filing: 1957-08-28
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Granted: 1961-08-08
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Expires: 1977-08-28
Abstract
No abstract record available.
Inventors
- 👤 Panerai Giuseppe
- 👤 Panerai Maria
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:58
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/02; H01H9/0214; H01H13/00; H01H13/02; H01H13/04; H01H13/06; H01H13/50; H01H13/52; H01H9/04; H01H2221/00; H01H2221/09
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) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |