Patent US3018487A successfully refreshed from Google Patents.
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
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 14:51
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 |