US2604225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expansible plug closure
Assignee: Goodrich Corp
•
Filing: 1947-08-07
•
Granted: 1952-07-22
•
Expires: 1967-08-07
Abstract
No abstract record available.
Inventors
- 👤 Howard H Armstrong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:33
CPC Classifications
B; B65; B65D; B65D39/00; B65D39/12; B65D55/00; B65D55/16; B65D55/165
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2405751A
Cited
GB190725679A
Cited
US1868668A
Cited
US2096358A
Cited
US2196785A
Cited
US2265615A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-22 | 1956-01-21 | 1956-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-22 | 1960-01-21 | 1960-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-22 | 1964-01-21 | 1964-07-22 | $7700.00 | Window Closed / Lapsed |