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US1200692A Expired / Lapsed US ⏱️ 0.0 years remaining

Hard-rubber composition.

Assignee: Bakelite Corp
•
Filing: 1910-06-16
•
Granted: 1916-10-10
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Expires: 1930-06-16
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Abstract

No abstract record available.

Inventors

  • 👤 Leo H Baekeland

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:41
CPC Classifications
C; C08; C08L; C08L61/00; C08L61/04; C08L61/06

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1919-10-10 1920-04-10 1920-10-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1923-10-10 1924-04-10 1924-10-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1927-10-10 1928-04-10 1928-10-10 $7700.00 Window Closed / Lapsed

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