Patent US2862694A successfully refreshed from Google Patents.
Patent US2594636A successfully refreshed from Google Patents.
US2594636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Humidifier
Assignee: Individual
•
Filing: 1945-04-25
•
Granted: 1952-04-29
•
Expires: 1965-04-25
Abstract
No abstract record available.
Inventors
- 👤 Gazda Antoine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:56
CPC Classifications
F; F02; F02M; F02M25/00; F02M25/022; F02M25/0221; F02M25/0225; F02M25/025; F02M25/028; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR533501A
Cited
US1462767A
Cited
US1470156A
Cited
US1687090A
Cited
US1619029A
Cited
US1755733A
Cited
US1945431A
Cited
US1857512A
Cited
FR721474A
Cited
US2083436A
Cited
US2108556A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |