US2995057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seal for rigid seating members wherein protruding portion thereof is receivable into adjacent channel portion
Assignee: Parker Hannifin Corp
•
Filing: 1957-03-15
•
Granted: 1961-08-08
•
Expires: 1977-03-15
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Nenzell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:21
CPC Classifications
F; F16; F16B; F16B33/00; F16B33/004; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/10; F16J15/108; Y; Y10; Y10S; Y10S264/00; Y10S264/67; Y10S29/00; Y10S29/034; Y10S425/00; Y10S425/047
Claims Analysis
Total Claims: 0
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US2760400A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |