US3144971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper cup and process for making it
Assignee: Individual
•
Filing: 1962-11-19
•
Granted: 1964-08-18
•
Expires: 1982-11-19
Abstract
No abstract record available.
Inventors
- 👤 Wommelsdorf Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:56
CPC Classifications
B; B65; B65D; B65D3/00; B65D3/22; B65D3/10; B65D3/12; B65D3/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
PAPER CUP FOR HOT BEVERAGES, HAVING A BOTTOM PART AND A SIDE WALL CONNECTED TO THE BOTTOMPART; HAVING ON THE INNER SURFACE OF THE PAPER MATERIAL A COATING CONSISTING OF SYNTHETIC PLASTIC MATERIAL SUBSTANTIALLY INSOLUBLE IN WATER, THE PORES OF SAID PAPER MATERIAL ON THE OUTER SURFACE OF THE CUP BEING INCOMPLETELY FILLED WITH PARAFFIN, WITHOUT APPLYING PARAFFIN ONTO SAID OUTER SURFACE PROPER.
Claim 2
Dependent Claim
63 words
PAPER CUP FOR HOT BEVERAGES, HAVING A BOTTOM PART AND A SIDE WALL CONNECTED TO THE BOTTOMPART; HAVING ON THE INNER SURFACE OF THE PAPER MATERIAL A COATING CONSISTING OF SYNTHETIC PLASTIC MATERIAL SUBSTANTIALLY INSOLUBLE IN WATER, THE PORES OF SAID PAPER MATERIAL ON THE OUTER SURFACE OF THE CUP BEING INCOMPLETELY FILLED WITH PARAFFIN, WITHOUT APPLYING PARAFFIN ONTO SAID OUTER SURFACE PROPER.
References Cited (Backward Citations)
US1489691A
Cited
US2176216A
Cited
US2240599A
Cited
US2357161A
Cited
US2816697A
Cited
US3049277A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |