US3536418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cryogenic turbo-molecular vacuum pump
Assignee: ONEZIME P BREAUX
•
Filing: 1969-02-13
•
Granted: 1970-10-27
•
Expires: 1989-02-13
Abstract
No abstract record available.
Inventors
- 👤 Onezime P Breaux
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:04
CPC Classifications
F; F04; F04D; F04D19/00; F04D19/02; F04D19/04; F04D19/046; Y; Y10; Y10S; Y10S417/00; Y10S417/901; Y10S417/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3137551A
Cited
US3066849A
Cited
US3189264A
Cited
US3226012A
Cited
US3485054A
Cited
US3399827A
Cited
US3443390A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |