US2416295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasket material and method of making the same
Assignee: Armstrong World Industries Inc
•
Filing: 1943-08-24
•
Granted: 1947-02-25
•
Expires: 1963-08-24
Abstract
No abstract record available.
Inventors
- 👤 George E Ehle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:58
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/10; F16J15/102; Y; Y10; Y10S; Y10S277/00; Y10S277/935; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24372; Y10T428/24413; Y10T428/24628
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2055471A
Cited
US2208619A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-24 | 1950-08-26 | 1951-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-24 | 1954-08-26 | 1955-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-24 | 1958-08-26 | 1959-02-25 | $7700.00 | Window Closed / Lapsed |