US3541697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High velocity through-drying system
Assignee: Aer Corp
•
Filing: 1968-08-01
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Granted: 1970-11-24
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Expires: 1988-08-01
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Villalobos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:08
CPC Classifications
F; F26; F26B; F26B21/00; F26B21/50; D; D21; D21F; D21F5/00; F26B13/00; F26B13/10; F26B13/101; F26B13/14; F26B13/16; F26B21/55
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1533086A
Cited
US3222279A
Cited
US3284920A
Cited
US3435751A
Cited
US3406466A
Cited
US3447247A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-23 | 1974-05-25 | 1974-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-23 | 1978-05-25 | 1978-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-23 | 1982-05-25 | 1982-11-24 | $7700.00 | Window Closed / Lapsed |