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US2916613A Expired / Lapsed US ⏱️ 0.0 years remaining

Posting indicator control system

Assignee: SPX Technologies Inc
•
Filing: 1956-09-26
•
Granted: 1959-12-08
•
Expires: 1976-09-26
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Abstract

No abstract record available.

Inventors

  • 👤 Reginald F Albrighton
  • 👤 Willis R Smith

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 02:28
CPC Classifications
B; B61; B61L; B61L25/00; B61L25/06; B61L25/08; B61L25/02; B61L25/04

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2206550A Cited
US2334333A Cited
US2350620A Cited
US2378294A Cited
US2439862A Cited
US2481780A Cited
US2425973A Cited
US2588930A Cited
US2700728A Cited
US2731632A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-12-07 1963-06-08 1963-12-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-12-07 1967-06-08 1967-12-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-12-07 1971-06-08 1971-12-08 $7700.00 Window Closed / Lapsed

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