US2477804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Huber
Assignee: —
•
Filing: —
•
Granted: 1949-08-02
•
Expires: 1966-08-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:18
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; F; F23; F23N; F23N1/00; F23N1/02; F23N1/027; F23N2233/00; F23N2233/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1038402A
Cited
US1585170A
Cited
US1748091A
Cited
US1850466A
Cited
US2016317A
Cited
FR850923A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-01 | 1953-01-31 | 1953-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-01 | 1957-01-31 | 1957-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-01 | 1961-01-31 | 1961-08-02 | $7700.00 | Window Closed / Lapsed |