US2451970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mounting for fan assemblies
Assignee: VORNADO TRUST
•
Filing: 1945-03-03
•
Granted: 1948-10-19
•
Expires: 1965-03-03
Abstract
No abstract record available.
Inventors
- 👤 Ralph K Odor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:21
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/60; F04D29/64; F04D29/644; F04D29/646; F04D29/66; F04D29/661; F04D29/668
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US407340A
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US663537A
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US1176184A
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CH143349A
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FR700405A
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US2144848A
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FR818813A
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GB486333A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-19 | 1952-04-19 | 1952-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-19 | 1956-04-19 | 1956-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-19 | 1960-04-19 | 1960-10-19 | $7700.00 | Window Closed / Lapsed |