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US2963260A Expired / Lapsed US ⏱️ 0.0 years remaining

Ball valve

Assignee: Individual
•
Filing: 1958-12-09
•
Granted: 1960-12-06
•
Expires: 1978-12-09
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Abstract

No abstract record available.

Inventors

  • 👤 Siravo Vincent

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 13:42
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/02; F15B15/06; F15B15/065; F15B11/00; F15B11/06; F15B11/072; F15B11/076; F16; F16K; F16K31/00; F16K31/12; F16K31/16; F16K31/163; F16K31/1635; F16K31/44; F16K31/53; F16K31/54; F16K5/00; F16K5/06; F16K5/0647; F16K5/0663; F16K5/0668; F16K5/0673; F15B2211/00; F15B2211/40; F15B2211/405; F15B2211/40507; F15B2211/415; F15B2211/41527; F15B2211/41536; F15B2211/47; F15B2211/473; F15B2211/70; F15B2211/75; F15B2211/77; F15B2211/7708; F15B2211/80; F15B2211/885; F15B2211/8855

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1171085A Cited
US2243405A Cited
US2695153A Cited
US2800295A Cited
US2783743A Cited
US2848186A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-12-06 1964-06-06 1964-12-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-12-06 1968-06-06 1968-12-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-12-06 1972-06-06 1972-12-06 $7700.00 Window Closed / Lapsed

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