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US2759245A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for making power units for amusement devices and the like

Assignee: TIGRETT IND Inc
•
Filing: 1954-08-20
•
Granted: 1956-08-21
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Expires: 1974-08-20
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Abstract

No abstract record available.

Inventors

  • 👤 John B Tigrett
  • 👤 William B Greenlee

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 03:16
CPC Classifications
A; A63; A63H; A63H29/00; G; G01; G01K; G01K5/00; G01K5/32; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US381441A Cited
US981141A Cited
US2240906A Cited
US2501397A Cited
US2398471A Cited
US2402463A Cited
US2659215A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-08-21 1960-02-20 1960-08-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-08-21 1964-02-20 1964-08-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-08-21 1968-02-20 1968-08-21 $7700.00 Window Closed / Lapsed

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