US2552053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filler cap
Assignee: East Coast Aeronautics Inc
•
Filing: 1949-10-24
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Granted: 1951-05-08
•
Expires: 1969-10-24
Abstract
No abstract record available.
Inventors
- 👤 Roy G Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:12
CPC Classifications
B; B64; B64D; B64D37/00; B64D37/005; Y; Y10; Y10S; Y10S251/00; Y10S251/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US921069A
Cited
US1174278A
Cited
US1324981A
Cited
US1471079A
Cited
US1999704A
Cited
US2183282A
Cited
US2333890A
Cited
US2465727A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |