Patent US2475786A successfully refreshed from Google Patents.
US2475786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Airship
Assignee: Individual
•
Filing: 1945-12-22
•
Granted: 1949-07-12
•
Expires: 1965-12-22
Abstract
No abstract record available.
Inventors
- 👤 John L Jordan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:45
CPC Classifications
B; B64; B64B; B64B1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US918336A
Cited
FR403132A
Cited
GB191022844A
Cited
GB191113959A
Cited
US1854365A
Cited
US1873505A
Cited
US1835260A
Cited
DE648878C
Cited
US2384893A
Cited
US2404954A
Cited
US2399839A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-11 | 1953-01-10 | 1953-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-11 | 1957-01-10 | 1957-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-11 | 1961-01-10 | 1961-07-12 | $7700.00 | Window Closed / Lapsed |