Patent US2437586A successfully refreshed from Google Patents.
US2437586A
Expired / Lapsed
US
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Packing gasket and static seal
Assignee: WILLIAM S LOEB
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Filing: 1946-04-04
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Granted: 1948-03-09
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Expires: 1966-04-04
Abstract
No abstract record available.
Inventors
- 👤 Joseph S Aber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:18
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/166; F16J15/32; Y; Y10; Y10S; Y10S277/00; Y10S277/91; Y10S285/00; Y10S285/918
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-09 | 1951-09-08 | 1952-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-09 | 1955-09-08 | 1956-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-09 | 1959-09-08 | 1960-03-09 | $7700.00 | Window Closed / Lapsed |