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US2697773A Expired / Lapsed US ⏱️ 0.0 years remaining

Dielectric heating conveyer apparatus

Assignee: BERT H WALLACE
•
Filing: 1951-08-16
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Granted: 1954-12-21
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Expires: 1971-08-16
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Abstract

No abstract record available.

Inventors

  • 👤 Gordon Jacob

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 20:08
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/80; B29C66/83; B29C66/834; B29C66/8341; B29C66/83421; B29C66/83423; B29C35/00; B29C35/02; B29C35/12; B29C35/14; B29C59/00; B29C59/02; B29C59/04; B29C65/00; B29C65/02; B29C65/04; B29C65/78; B29C65/7858; B29C65/7888; B29C65/7894; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/20; B29C66/22; B29C66/223; B29C66/40; B29C66/41; B29C66/43; B29C66/81; B29C66/814; B29C66/8141; B29C66/81433; B29C66/816; B29C66/8161; B29C66/812; B29C66/8122

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2423902A Cited
US2575251A Cited
US2460566A Cited
US2439918A Cited
US2476282A Cited
US2491687A Cited
US2614953A Cited
US2463289A Cited
US2576519A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-12-20 1958-06-21 1958-12-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-12-20 1962-06-21 1962-12-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-12-20 1966-06-21 1966-12-21 $7700.00 Window Closed / Lapsed

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