Patent US3007322A successfully refreshed from Google Patents.
US3007322A
Expired / Lapsed
US
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Low pressure exhauster
Assignee: Individual
•
Filing: 1961-04-03
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Granted: 1961-11-07
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Expires: 1981-04-03
Abstract
No abstract record available.
Inventors
- 👤 Adiel Y Dodge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:16
CPC Classifications
F; F04; F04F; F04F5/00; F04F5/44; F04F5/46; F04F5/462; F04B; F04B23/00; F04B23/04; F04B23/08; F04B23/12; F04C; F04C23/00; F04C23/005
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) | 1964-11-06 | 1965-05-08 | 1965-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-06 | 1969-05-08 | 1969-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-06 | 1973-05-08 | 1973-11-07 | $7700.00 | Window Closed / Lapsed |