Patent US3100929A successfully refreshed from Google Patents.
US3100929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lock joint sealing ring
Assignee: Muskegon Piston Ring Co
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Filing: 1959-05-01
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Granted: 1963-08-20
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Expires: 1979-05-01
Abstract
No abstract record available.
Inventors
- 👤 Kenneth J Nisper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:58
CPC Classifications
F; F16; F16J; F16J9/00; F16J9/12; F16J9/14; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49274; Y10T29/49284; Y10T29/49789; Y10T29/49796; Y10T409/00; Y10T409/30; Y10T409/303752
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
IN THE METHOD OF MAKING A PARTED LOCKING SEALING RING, THE STEPS WHICH INCLUDE: PROVIDING AN ANNULAR BLANK; CUTTING SAID BLANK IN AN AXIAL DIRECTION TO FORM A FIRST RECESS EXTENDING FROM ONE SIDE FACE TO THE OTHER AND OPENING THROUGH THE INNER RADIAL FACE OF THE BLANK, SAID RECESS EXTENDING AXIALLY OF SAID BLANK; AT A POINT CIRCUMFERENTIALLY SPACED FROM SAID FIRST RECESS CUTTING SAID BLANK IN AN AXIAL DIRECTION TO FORM A SECOND RECESS EXTENDING FROM ONE SIDE FACE TO THE OTHER AND OPENING THROUGH THE OUTER RADIAL FACE OF SAID BLANK, REMOVING THE PORTION OF SAID BLANK BETWEEN SAID RECESSES TO SPACE THE ENDS OF SAID SEALING RING FROM EACH OTHER.
Claim 2
Dependent Claim
114 words
IN THE METHOD OF MAKING A PARTED LOCKING SEALING RING, THE STEPS WHICH INCLUDE: PROVIDING AN ANNULAR BLANK; CUTTING SAID BLANK IN AN AXIAL DIRECTION TO FORM A FIRST RECESS EXTENDING FROM ONE SIDE FACE TO THE OTHER AND OPENING THROUGH THE INNER RADIAL FACE OF THE BLANK, SAID RECESS EXTENDING AXIALLY OF SAID BLANK; AT A POINT CIRCUMFERENTIALLY SPACED FROM SAID FIRST RECESS CUTTING SAID BLANK IN AN AXIAL DIRECTION TO FORM A SECOND RECESS EXTENDING FROM ONE SIDE FACE TO THE OTHER AND OPENING THROUGH THE OUTER RADIAL FACE OF SAID BLANK, REMOVING THE PORTION OF SAID BLANK BETWEEN SAID RECESSES TO SPACE THE ENDS OF SAID SEALING RING FROM EACH OTHER.
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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) | 1966-08-19 | 1967-02-18 | 1967-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-19 | 1971-02-18 | 1971-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-19 | 1975-02-18 | 1975-08-20 | $7700.00 | Window Closed / Lapsed |