US2522342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for firing dehydrating plants and for cooling the product
Assignee: BUTANE MOTOR FUEL Co
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Filing: 1949-03-14
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Granted: 1950-09-12
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Expires: 1969-03-14
Abstract
No abstract record available.
Inventors
- 👤 Juan C Byers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:35
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/90; F; F26; F26B; F26B23/00; F26B23/001; F26B23/007; Y; Y02; Y02P; Y02P70/00; Y02P70/10
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) | 1953-09-11 | 1954-03-13 | 1954-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-11 | 1958-03-13 | 1958-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-11 | 1962-03-13 | 1962-09-12 | $7700.00 | Window Closed / Lapsed |