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US2441707A Expired / Lapsed US ⏱️ 0.0 years remaining

Gripping means for hydraulic ram type of metal shaping presses

Assignee: SUTTON PATENTS Inc
•
Filing: 1943-09-10
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Granted: 1948-05-18
•
Expires: 1963-09-10
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Abstract

No abstract record available.

Inventors

  • 👤 Lermont Basil

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 17:17
CPC Classifications
B; B21; B21D; B21D11/00; B21D11/02; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3936; Y10T24/3956; Y10T24/44; Y10T24/44291; Y10T24/44496; Y10T24/44513

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE21434C Cited
US519086A Cited
US1315937A Cited
US646936A Cited
US2006468A Cited
US2129774A Cited
GB506780A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1951-05-18 1951-11-17 1952-05-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1955-05-18 1955-11-17 1956-05-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1959-05-18 1959-11-17 1960-05-18 $7700.00 Window Closed / Lapsed

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