US2977005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement for introducing articles into a closed chamber and for removing same
Assignee: Electricite de France SA
•
Filing: 1957-08-20
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Granted: 1961-03-28
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Expires: 1977-08-20
Abstract
No abstract record available.
Inventors
- 👤 Teste Yvan Robert Marcel
- 👤 Roux Jean-Pierre Theophile
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:34
CPC Classifications
G; G21; G21C; G21C19/00; G21C19/16; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2782158A
Cited
US2756858A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-27 | 1964-09-26 | 1965-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-27 | 1968-09-26 | 1969-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-27 | 1972-09-26 | 1973-03-28 | $7700.00 | Window Closed / Lapsed |