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US3018487A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making mortar board cap

Assignee: C E WARD Co
•
Filing: 1959-02-06
•
Granted: 1962-01-30
•
Expires: 1979-02-06
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Abstract

No abstract record available.

Inventors

  • 👤 Edward J O'reilly

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 09:03
CPC Classifications
A; A42; A42B; A42B1/00; A42B1/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 94 words
A METHOD OF MANUFACTURING MORTAR BOARD CAPS COMPRISING FORMING A CROWN OF SHEET PLASTIC, SEAM WELDING THE UPPER PORTION OF SAID CROWN TO A FRIST FLAT SHEET OF PLASTIC, LAYING A SHEET OF RELATIVELY RIGID MATERIAL OF LESSER DIMENSION THAN SAID FIRST SHET OF PLASTIC ON SAID FIRST SHEET OF PLASTIC, POSITIONING A SECOND FLAT SHEET OF PLASTIC ON THE OTHER SIDE OF SAID RELATIVELY RIGID MATERIAL WITH THE EDGES OF SAID SECOND PLASTIC SHEET PROJECTING PAST THE EDGE OF SAID RELATIVELY RIGID MATERIAL, APPLYING TENSION TO SAID SECOND PLASTIC SHET, AND APPLYING HEAT
Claim 2
Independent Claim 94 words
A METHOD OF MANUFACTURING MORTAR BOARD CAPS COMPRISING FORMING A CROWN OF SHEET PLASTIC, SEAM WELDING THE UPPER PORTION OF SAID CROWN TO A FRIST FLAT SHEET OF PLASTIC, LAYING A SHEET OF RELATIVELY RIGID MATERIAL OF LESSER DIMENSION THAN SAID FIRST SHET OF PLASTIC ON SAID FIRST SHEET OF PLASTIC, POSITIONING A SECOND FLAT SHEET OF PLASTIC ON THE OTHER SIDE OF SAID RELATIVELY RIGID MATERIAL WITH THE EDGES OF SAID SECOND PLASTIC SHEET PROJECTING PAST THE EDGE OF SAID RELATIVELY RIGID MATERIAL, APPLYING TENSION TO SAID SECOND PLASTIC SHET, AND APPLYING HEAT

References Cited (Backward Citations)

US2880423A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-01-29 1965-07-31 1966-01-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-01-29 1969-07-31 1970-01-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-01-29 1973-07-31 1974-01-30 $7700.00 Window Closed / Lapsed

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