US3045642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum pumps of the getter type
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
•
Filing: 1958-07-09
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Granted: 1962-07-24
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Expires: 1978-07-09
Abstract
No abstract record available.
Inventors
- 👤 Auzolle Robert
- 👤 Chaumette Paul
- 👤 Garin Paul
- 👤 Prugne Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:11
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/24; C23C14/246; H; H01; H01J; H01J41/00; H01J41/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2402269A
Cited
GB551220A
Cited
DE878884C
Cited
US2554902A
Cited
GB654228A
Cited
FR1051247A
Cited
US2664853A
Cited
US2812270A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |