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US2126707A Expired / Lapsed US ⏱️ 0.0 years remaining

Rubber and metal spring

Assignee: Metalastik Ltd
•
Filing: 1937-09-13
•
Granted: 1938-08-16
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Expires: 1957-09-13
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Abstract

No abstract record available.

Inventors

  • 👤 Schmidt Fritz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 18:38
CPC Classifications
F; F16; F16F; F16F1/00; F16F1/36; F16F1/38; F16F1/3807; F16F1/3814; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49609; Y10T403/00; Y10T403/45; Y10T403/455; Y10T403/458

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) 1941-08-15 1942-02-14 1942-08-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1945-08-15 1946-02-14 1946-08-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1949-08-15 1950-02-14 1950-08-16 $7700.00 Window Closed / Lapsed

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