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US2767235A Expired / Lapsed US ⏱️ 0.0 years remaining

Glass furnace and method of heating

Assignee: Anchor Hocking Glass Corp
•
Filing: 1954-12-09
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Granted: 1956-10-16
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Expires: 1974-12-09
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Abstract

No abstract record available.

Inventors

  • 👤 Gordon W Herrold
  • 👤 William H Fouse

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 22:47
CPC Classifications
C; C03; C03B; C03B5/00; C03B5/02; C03B5/027; C03B5/03; Y; Y10; Y10S; Y10S65/00; Y10S65/04

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1880591A Cited
US1944855A Cited
US2018883A Cited
US2267537A Cited
US2417913A Cited
US2545619A Cited
FR909917A Cited
US2490339A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-10-16 1960-04-16 1960-10-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-10-16 1964-04-16 1964-10-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-10-16 1968-04-16 1968-10-16 $7700.00 Window Closed / Lapsed

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