US3148726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic curtain construction
Assignee: Individual
•
Filing: 1962-05-17
•
Granted: 1964-09-15
•
Expires: 1982-05-17
Abstract
No abstract record available.
Inventors
- 👤 Rothbart Gerard Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:41
CPC Classifications
A; A47; A47H; A47H23/00; A47H23/02; A47H23/08; A47H23/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A PLASTIC CURTAIN COMPRISING A FLEXIBLE PLASTIC SHEET HAVING A RETICULATE BACKGROUND, SAID RETICULATE BACKGROUND COMPRISING A MULTIPLICITY OF APERTURES THERETGHROUGH ARRANGED IN COLUMNS AND ROWS, THE PLASTIC MATERIAL BETWEEN SAID COLUMNS AND ROWS BEING FORMED IN ROUNDED RIDGES ON ONE FACE OF SAID SHEET, SAID PLASTIC CURTAIN HAVING A PLURALITY OF HOLES DEFINED THERETHROUGH SPACED CROSS THE TOP TO RECEIVE A CURTAIN ROD, EACH OF SAID HOLES HAVING A SOLID PLASTIC BORDER RAISED ABOVE THE RETICULATE BACKGROUND OF SAID SHEET ON ONE FACE THEREOF, SAID SHEET HAVING VERTICAL SOLID PLASTIC RIBS RAISED ABOVE THE RETICULATE BACKGROUND OF SAID SHEET IN THE AREA OF SAID HOLES.
Claim 2
Dependent Claim
106 words
A PLASTIC CURTAIN COMPRISING A FLEXIBLE PLASTIC SHEET HAVING A RETICULATE BACKGROUND, SAID RETICULATE BACKGROUND COMPRISING A MULTIPLICITY OF APERTURES THERETGHROUGH ARRANGED IN COLUMNS AND ROWS, THE PLASTIC MATERIAL BETWEEN SAID COLUMNS AND ROWS BEING FORMED IN ROUNDED RIDGES ON ONE FACE OF SAID SHEET, SAID PLASTIC CURTAIN HAVING A PLURALITY OF HOLES DEFINED THERETHROUGH SPACED CROSS THE TOP TO RECEIVE A CURTAIN ROD, EACH OF SAID HOLES HAVING A SOLID PLASTIC BORDER RAISED ABOVE THE RETICULATE BACKGROUND OF SAID SHEET ON ONE FACE THEREOF, SAID SHEET HAVING VERTICAL SOLID PLASTIC RIBS RAISED ABOVE THE RETICULATE BACKGROUND OF SAID SHEET IN THE AREA OF SAID HOLES.
References Cited (Backward Citations)
US2092756A
Cited
US2083991A
Cited
US2032935A
Cited
US2123413A
Cited
US2392598A
Cited
US2457343A
Cited
US2855040A
Cited
US2884053A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |