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US3015883A Expired / Lapsed US ⏱️ 0.0 years remaining

Flange aligning tool

Assignee: Phillips Petroleum Co
•
Filing: 1957-12-02
•
Granted: 1962-01-09
•
Expires: 1977-12-02
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Abstract

No abstract record available.

Inventors

  • 👤 Glenn S Brown

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 09:22
CPC Classifications
F; F16; F16L; F16L1/00; F16L1/024; F16L1/06; F16L1/10; F16L23/00; F16L23/003; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53909; Y10T29/53913

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US90559A Cited
US2712433A Cited
US1447190A Cited
US1600134A Cited
US1663061A Cited
US2399312A Cited
US2452985A Cited
US2450151A Cited
US2585343A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-01-08 1965-07-10 1966-01-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-01-08 1969-07-10 1970-01-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-01-08 1973-07-10 1974-01-09 $7700.00 Window Closed / Lapsed

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