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Patent US2578036A successfully refreshed from Google Patents.
US2578036A
Expired / Lapsed
US
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Device for fueling large aircraft
Assignee: Individual
•
Filing: 1947-02-27
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Granted: 1951-12-11
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Expires: 1967-02-27
Abstract
No abstract record available.
Inventors
- 👤 John A Berke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:43
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL55640C
Cited
US136844A
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US617228A
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US806278A
Cited
US872469A
Cited
US1680831A
Cited
US1674493A
Cited
US1940701A
Cited
US2090136A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-10 | 1955-06-11 | 1955-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-10 | 1959-06-11 | 1959-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-10 | 1963-06-11 | 1963-12-11 | $7700.00 | Window Closed / Lapsed |