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US3099865A Expired / Lapsed US ⏱️ 0.0 years remaining

Window structure

Assignee: Individual
•
Filing: 1961-04-10
•
Granted: 1963-08-06
•
Expires: 1981-04-10
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Abstract

No abstract record available.

Inventors

  • 👤 Alice W Burnett

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 05:56
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/68; E06B3/685

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 90 words
A WINDOW STRUCTURE SIMULATING A MULTI-PANE WINDOW, COMPRISING A CASING, A PANEL OF GLASS MOUNTED IN AND SPACED INWARDLY FROM THE INTERIOR EDGE OF SAID CASING, A VERTICAL AND A HORIZONTAL MUNTIN CONNECTED RIGIDLY TOGETHER TO FORM A REMOVABLE MULLION UNIT, AND A FIXTURE AT EACH END OF EACH MUNTIN, EACH FIXTURE CONSISTING OF A PERMANENT MAGNET PART AND A PART OF MAGNETIC ATTRACTABLE MATERIAL, ONE OF SAID PARTS BEING ON THE END OF A MUNTIN AND THE OTHER OF SAID PARTS BEING IN SAID CASING ADJACENT SAID ONE MUNTIN.

References Cited (Backward Citations)

US973027A Cited
US2209809A Cited
US2203580A Cited
US2219699A Cited
US2408281A Cited
US2629142A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-08-05 1967-02-04 1967-08-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-08-05 1971-02-04 1971-08-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-08-05 1975-02-04 1975-08-06 $7700.00 Window Closed / Lapsed

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