Patent US3606357A successfully refreshed from Google Patents.
US3606357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-sealing and aligning member
Assignee: Individual
•
Filing: 1968-06-24
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Granted: 1971-09-20
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Expires: 1988-06-24
Abstract
Abstract THERE IS PROVIDED A SELF-SEALING AND ALIGNING MEMBER INCLUDING A GENERALLY CONCAVE WASHER PROVIDED WITH AN INWARDLY TURNED FLANGE, AND A RING-SHAPED PLASTIC FILLER JOINED TO THE CONCAVE SIDE OF THE WASHER AND DEFINING A GENERALLY ARCUATE OUTER SURFACE.
Inventors
- 👤 John L Yonkers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:05
CPC Classifications
F; F16; F16B; F16B43/00; F16B43/001; Y; Y10; Y10S; Y10S411/00; Y10S411/915
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |