Patent US3070122A successfully refreshed from Google Patents.
US3070122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor intake valve
Assignee: Old Carco LLC
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Filing: 1960-04-04
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Granted: 1962-12-25
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Expires: 1980-04-04
Abstract
No abstract record available.
Inventors
- 👤 Herman R Weatherhead
- 👤 Earl K Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:51
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/0005; F04B39/10; F04B39/102; F04B39/1033; F16; F16K; F16K15/00; F16K15/14; F16K15/144; F16K15/141; F16K15/142; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/7887; Y10T137/7904; Y10T137/7922
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) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |