US2834188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for atmospheric conditioning
Assignee: JBS USA LLC
•
Filing: 1956-05-10
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Granted: 1958-05-13
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Expires: 1976-05-10
Abstract
No abstract record available.
Inventors
- 👤 Bradford Purdy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:48
CPC Classifications
F; F25; F25D; F25D17/00; F25D17/04; F25D17/042; F24; F24F; F24F3/00; F24F3/12; F24F3/14; F25B; F25B9/00; F25B9/002; F25B9/004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2126266A
Cited
US2304151A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |