US2494249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing closure
Assignee: Goodrich Corp
•
Filing: 1944-09-01
•
Granted: 1950-01-10
•
Expires: 1964-09-01
Abstract
No abstract record available.
Inventors
- 👤 Carroll P Krupp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:11
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/24; A44B19/32; Y; Y10; Y10T; Y10T24/00; Y10T24/25; Y10T24/2514; Y10T24/2561; Y10T24/2582; Y10T24/2589
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1468742A
Cited
US1652488A
Cited
US1876338A
Cited
US2115424A
Cited
US2160819A
Cited
US2296468A
Cited
US2354069A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-09 | 1953-07-11 | 1954-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-09 | 1957-07-11 | 1958-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-09 | 1961-07-11 | 1962-01-10 | $7700.00 | Window Closed / Lapsed |