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US2915079A Expired / Lapsed US ⏱️ 0.0 years remaining

Air-pressure-operated proportional band adjustment

Assignee: Honeywell Inc
•
Filing: 1952-11-19
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Granted: 1959-12-01
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Expires: 1972-11-19
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Abstract

No abstract record available.

Inventors

  • 👤 Thomas R Harrison

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 20:47
CPC Classifications
G; G05; G05B; G05B11/00; G05B11/44; G05B11/48; G05B11/50; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409; Y10T137/2452

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2512561A Cited
US2633858A Cited
US2543120A Cited
US2737964A Cited
US2517051A Cited
US2638911A Cited
US2712321A Cited
US2776670A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-11-30 1963-06-01 1963-12-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-11-30 1967-06-01 1967-12-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-11-30 1971-06-01 1971-12-01 $7700.00 Window Closed / Lapsed

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