Patent US2415888A successfully refreshed from Google Patents.
US2415888A
Expired / Lapsed
US
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Sealing device
Assignee: Individual
•
Filing: 1943-04-21
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Granted: 1947-02-18
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Expires: 1963-04-21
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Joy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:18
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3248; F16J15/3252; F16J15/3256; F16J15/3264; F16J15/3204; F16J15/34; F16J15/3436; F16J15/3456; Y; Y10; Y10S; Y10S277/00; Y10S277/909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1925729A
Cited
US2049063A
Cited
GB481331A
Cited
GB452201A
Cited
GB492954A
Cited
US2172325A
Cited
DE694689C
Cited
GB528208A
Cited
US2316059A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-17 | 1950-08-19 | 1951-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-17 | 1954-08-19 | 1955-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-17 | 1958-08-19 | 1959-02-18 | $7700.00 | Window Closed / Lapsed |