US2489799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inflatable ice removing apparatus for aircraft
Assignee: Borg Warner Corp
•
Filing: 1943-04-15
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Granted: 1949-11-29
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Expires: 1963-04-15
Abstract
No abstract record available.
Inventors
- 👤 Robert J Minshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:41
CPC Classifications
B; B64; B64D; B64D15/00; B64D15/16; B64D15/166; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/877; Y10T137/87829; Y10T137/87837; Y10T137/87861; Y10T137/87869; Y10T137/87877
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1013180A
Cited
GB187365A
Cited
US2135119A
Cited
US2249940A
Cited
GB505433A
Cited
GB518463A
Cited
GB523108A
Cited
US2327206A
Cited
GB542878A
Cited
US2322658A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-28 | 1953-05-30 | 1953-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-28 | 1957-05-30 | 1957-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-28 | 1961-05-30 | 1961-11-29 | $7700.00 | Window Closed / Lapsed |