Patent US2700558A successfully refreshed from Google Patents.
US2700558A
Expired / Lapsed
US
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Load compensator for sealing rings and the like
Assignee: Johnson Corp
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Filing: 1952-09-18
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Granted: 1955-01-25
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Expires: 1972-09-18
Abstract
No abstract record available.
Inventors
- 👤 John W Hieronymus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:48
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/02; F16L27/023; F16L39/00; F16L39/04; Y; Y10; Y10S; Y10S277/00; Y10S277/929
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US943904A
Cited
US1769905A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-24 | 1958-07-26 | 1959-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-24 | 1962-07-26 | 1963-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-24 | 1966-07-26 | 1967-01-25 | $7700.00 | Window Closed / Lapsed |