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US3513293A Expired / Lapsed US ⏱️ 0.0 years remaining

Heatable shrinking tunnel

Assignee: Individual
•
Filing: 1969-07-03
•
Granted: 1970-05-19
•
Expires: 1989-07-03
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Abstract

No abstract record available.

Inventors

  • 👤 Hans Beck

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 00:09
CPC Classifications
B; B65; B65B; B65B53/00; B65B53/02; B65B53/06; B65B53/063

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1949716A Cited
DE970464C Cited
US2651702A Cited
US2820131A Cited
US2906620A Cited
DE1173117B Cited
US3180973A Cited
US3156812A Cited
US3304406A Cited
US3312811A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-05-18 1973-11-17 1974-05-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-05-18 1977-11-17 1978-05-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-05-18 1981-11-17 1982-05-19 $7700.00 Window Closed / Lapsed

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