US3004403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerated space humidification
Assignee: Individual
•
Filing: 1960-07-21
•
Granted: 1961-10-17
•
Expires: 1980-07-21
Abstract
No abstract record available.
Inventors
- 👤 Francis L Laporte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:44
CPC Classifications
F; F24; F24F; F24F6/00; F24F6/02; F24F6/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1736799A
Cited
US1990431A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |