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US3376625A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making fluid pulsation dampeners

Assignee: MAC BEE ENGINEERING Inc
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Filing: 1965-07-19
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Granted: 1968-04-09
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Expires: 1985-07-19
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Abstract

No abstract record available.

Inventors

  • 👤 Doyle W Mcculloch

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 15:23
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/04; F16L55/045; F16L55/05; F16L55/052; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49394; Y10T29/49805; Y10T29/49826; Y10T29/49879; Y10T29/49908; Y10T29/49915; Y10T29/49917; Y10T29/49925; Y10T29/49927

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 79 words
A METHOD OF MANUFACTURING A PULSATION DAMPER COMPRISING THE STEPS OF: PLACING A HOLLOW FITTING IN ENGAGEMENT WITH EACH END OF A PAIR OF TELESCOPICALLY ARRANGEMENT HOLLOW MEMBERS; FORMING A FLUID-TIGHT SEAL BETWEEN THE OUTER MEMBER OF SAID HOLLOW MEMBERS AND SAID FITTINGS; AND INTRODUCING A PRESSURIZED FLUID INTO THE INTERIOR OF THE INNER HOLLOW MEMBER OF SAID HOLLOW MEMBERS AND BETWEEN SAID INNER HOLLOW MEMBER AND SAID FITTINGS, WHEREBY SAID FLUID ENTERS THE SPACE BETWEEN SAID HOLLOW MEMBERS.
Claim 2
Independent Claim 79 words
A METHOD OF MANUFACTURING A PULSATION DAMPER COMPRISING THE STEPS OF: PLACING A HOLLOW FITTING IN ENGAGEMENT WITH EACH END OF A PAIR OF TELESCOPICALLY ARRANGEMENT HOLLOW MEMBERS; FORMING A FLUID-TIGHT SEAL BETWEEN THE OUTER MEMBER OF SAID HOLLOW MEMBERS AND SAID FITTINGS; AND INTRODUCING A PRESSURIZED FLUID INTO THE INTERIOR OF THE INNER HOLLOW MEMBER OF SAID HOLLOW MEMBERS AND BETWEEN SAID INNER HOLLOW MEMBER AND SAID FITTINGS, WHEREBY SAID FLUID ENTERS THE SPACE BETWEEN SAID HOLLOW MEMBERS.

References Cited (Backward Citations)

US1579891A Cited
GB393875A Cited
US2261948A Cited
US2666979A Cited
US2761536A Cited
US2760518A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-04-09 1971-10-09 1972-04-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-04-09 1975-10-09 1976-04-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-04-09 1979-10-09 1980-04-09 $7700.00 Window Closed / Lapsed

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