Patent US3298285A successfully refreshed from Google Patents.
US3298285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforcing means for diaphragms
Assignee: Individual
•
Filing: 1964-05-22
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Granted: 1967-01-17
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Expires: 1984-05-22
Abstract
No abstract record available.
Inventors
- 👤 James E Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:55
CPC Classifications
F; F16; F16J; F16J3/00; F16J3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
THE COMBINATION WITH A DIAPHRAGM HAVING AN ANNULAR FLEXURE PORTION OF A REINFORCING MEANS COMPRISING: (A) A RING OF RADIATING BEAM ELEMENTS DISPOSED IN SUPPORTING RELATION TO SAID ANNULAR FLEXURE PORTION AND SEPARATED, AT LEAST IN PART, BY RADIAL SLITS; (B) A FIRST SUPPORTING MEANS ENCIRCLING THE RADIALLY OUTER EXTREMITIES OF SAID BEAM ELEMENTS AND FORMING A PIVOTAL SUPPORT THEREFOR; (C) AND A SECOND SUPPORTING MEANS WITHIN THE RADIALLY INNER EXTREMITIES OF SAID BEAM ELEMENTS AND FORMING A SECOND PIVOTAL SUPPORT THEREFOR; (D) ONE OF SAID SUPPORTING MEANS BEING DISPLACEABLE RELATIVE TO THE OTHER IN RESPONSE TO A PRESSURE DIFFERENTIAL ACROSS SAID DIAPHRAGM; (E) AND AN ELASTOMER CONNECTING SAID BEAM ELEMENTS TO MAINTAIN SAID BEAM ELEMENTS IN SPACED RELATION.
Claim 2
Dependent Claim
119 words
THE COMBINATION WITH A DIAPHRAGM HAVING AN ANNULAR FLEXURE PORTION OF A REINFORCING MEANS COMPRISING: (A) A RING OF RADIATING BEAM ELEMENTS DISPOSED IN SUPPORTING RELATION TO SAID ANNULAR FLEXURE PORTION AND SEPARATED, AT LEAST IN PART, BY RADIAL SLITS; (B) A FIRST SUPPORTING MEANS ENCIRCLING THE RADIALLY OUTER EXTREMITIES OF SAID BEAM ELEMENTS AND FORMING A PIVOTAL SUPPORT THEREFOR; (C) AND A SECOND SUPPORTING MEANS WITHIN THE RADIALLY INNER EXTREMITIES OF SAID BEAM ELEMENTS AND FORMING A SECOND PIVOTAL SUPPORT THEREFOR; (D) ONE OF SAID SUPPORTING MEANS BEING DISPLACEABLE RELATIVE TO THE OTHER IN RESPONSE TO A PRESSURE DIFFERENTIAL ACROSS SAID DIAPHRAGM; (E) AND AN ELASTOMER CONNECTING SAID BEAM ELEMENTS TO MAINTAIN SAID BEAM ELEMENTS IN SPACED RELATION.
References Cited (Backward Citations)
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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) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |