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US2494923A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for bending and exhausting tubular lamps

Assignee: General Electric Co
•
Filing: 1948-09-03
•
Granted: 1950-01-17
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Expires: 1968-09-03
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Abstract

No abstract record available.

Inventors

  • 👤 Yoder Joe
  • 👤 Auth Robert

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 15:03
CPC Classifications
C; C03; C03B; C03B23/00; C03B23/04; C03B23/06; C03B23/065; H; H01; H01J; H01J9/00; H01J9/38; H01J9/385; H01J9/46

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1736767A Cited
US1710428A Cited
US1953492A Cited
US2247513A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-01-16 1953-07-18 1954-01-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-01-16 1957-07-18 1958-01-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-01-16 1961-07-18 1962-01-17 $7700.00 Window Closed / Lapsed

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