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US1801267A Expired / Lapsed US ⏱️ 0.0 years remaining

Inflatable hollow articles composed of flat rubber sheets

Assignee: Individual
•
Filing: 1928-10-11
•
Granted: 1931-04-21
•
Expires: 1948-10-11
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Abstract

No abstract record available.

Inventors

  • 👤 Dorogi Istvan
  • 👤 Dorogi Lajos

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:45
CPC Classifications
B; B29; B29D; B29D22/00; B29D22/02; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/22; B29C65/221; B29C65/222; B29C65/74; B29C65/743; B29C65/7433; B29C65/7441; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/20; B29C66/24; B29C66/246; B29C66/40; B29C66/41; B29C66/43; B29C66/70; B29C66/71; B29C66/80; B29C66/83; B29C66/832; B29C66/8322; B29K; B29K2021/00; B29L; B29L2022/00; B29L2022/02; B29L2031/00; B29L2031/52

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1934-04-20 1934-10-20 1935-04-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1938-04-20 1938-10-20 1939-04-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1942-04-20 1942-10-20 1943-04-21 $7700.00 Window Closed / Lapsed

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