US2717023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for forming an o-ring and o-ring formed by said method
Assignee: MW Kellogg Co
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Filing: 1951-06-29
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Granted: 1955-09-06
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Expires: 1971-06-29
Abstract
No abstract record available.
Inventors
- 👤 Alexander C Hetherington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:00
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/328; B; B29; B29C; B29C63/00; B29C63/22; F16J15/02; F16J15/06; F16J15/10; F16J15/108; B29C70/00; B29C70/68; B29C70/70; B29K; B29K2027/00; B29K2027/12; B29L; B29L2031/00; B29L2031/26; B29L2031/265; B29L2031/709; B29L2031/7096; B29L2031/7102; Y; Y10; Y10S; Y10S277/00; Y10S277/91; Y10S277/922; Y10S277/924; Y10S277/935; Y10S277/944
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) | 1958-09-05 | 1959-03-07 | 1959-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-05 | 1963-03-07 | 1963-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-05 | 1967-03-07 | 1967-09-06 | $7700.00 | Window Closed / Lapsed |