US2496878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing closure
Assignee: Goodrich Corp
•
Filing: 1945-02-02
•
Granted: 1950-02-07
•
Expires: 1965-02-02
Abstract
No abstract record available.
Inventors
- 👤 Carroll P Krupp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:24
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/24; A44B19/32; Y; Y10; Y10T; Y10T24/00; Y10T24/25; Y10T24/2514; Y10T24/2561; Y10T24/2582
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1679783A
Cited
US1893420A
Cited
US2056172A
Cited
GB440781A
Cited
US2321926A
Cited
US2385816A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-06 | 1953-08-08 | 1954-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-06 | 1957-08-08 | 1958-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-06 | 1961-08-08 | 1962-02-07 | $7700.00 | Window Closed / Lapsed |