US2609505A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aerial system
Assignee: Individual
•
Filing: 1947-07-21
•
Granted: 1952-09-02
•
Expires: 1967-07-21
Abstract
No abstract record available.
Inventors
- 👤 Pippard Alfred Brian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:42
CPC Classifications
H; H01; H01Q; H01Q19/00; H01Q19/10; H01Q19/12; H01Q19/13; H01Q3/00; H01Q3/12; H01Q3/16; H01Q3/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1081215A
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US1348617A
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US2112411A
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US2170979A
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US2283935A
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US2422579A
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US2486620A
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US2429601A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-02 | 1956-03-03 | 1956-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-02 | 1960-03-03 | 1960-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-02 | 1964-03-03 | 1964-09-02 | $7700.00 | Window Closed / Lapsed |