US2829081A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foldable draperies and methods of manufacture
Assignee: Individual
•
Filing: 1954-08-02
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Granted: 1958-04-01
•
Expires: 1974-08-02
Abstract
No abstract record available.
Inventors
- 👤 Sweem Ervin Clyde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:10
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/48; E06B3/481; A; A47; A47G; A47G5/00; B; B29; B29C; B29C65/00; B29C65/48; B29C65/4805; B29C65/483; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1089; Y10T156/1092; Y10T156/1093
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
THE METHOD OF MANUFACTURING FOLDABLE DRAPERIES COMPRISING ASSEMBLING A SUCCESSION OF THIN, FLEXIBLE STRIPS OF WOOD VENEER OF UNIFORM THICKNESS, DISPOSED EDGE TO EDGE, FLATLY AND IN SLIGHTLY SPACED RELATIONSHIP, BETWEEN TWO THIN TRANSPARENT SHEETS OF THERMO-PLASTIC MATERIAL, SUBJECTING THE ASSEMBLED SHEETS AND STRIPS TO HEAT AND PRESSURE BETWEEN THE PLATENS OF A PRESS AT A STARTING TEMPERATURE OF APPROXIMATELY 300*F. AND THE PLATEN PRESSURE BEING APPLIED INITIALLY AT 50 POUNDS PER SQUARE INCH AND MAINTAINED UNTIL THE TEMPERATURE IN THE WOOD STRIPS HAS REACHED APPROXIMATELY 285*F., THEN BEING INCREASED TO APPROXIMATELY 200 PER SQUARE INCH AND WHILE THE PLATEN HEAT IS DISCONTINUED, THUS CAUSING A GRADUAL LOWERING OF HEAT THEREIN, REMOVING THE PRESSED ARTICLE FROM BETWEEN THE PLATENS WHEN THE TEMPERATURE THEREIN HAS LOWERED TO APPROXIMATELY 100*F., AND CAUSING THE ARTICLE TO COOL GRADUALLY UNDER ATMOSPHERIC CONDITION.
Claim 2
Independent Claim
138 words
THE METHOD OF MANUFACTURING FOLDABLE DRAPERIES COMPRISING ASSEMBLING A SUCCESSION OF THIN, FLEXIBLE STRIPS OF WOOD VENEER OF UNIFORM THICKNESS, DISPOSED EDGE TO EDGE, FLATLY AND IN SLIGHTLY SPACED RELATIONSHIP, BETWEEN TWO THIN TRANSPARENT SHEETS OF THERMO-PLASTIC MATERIAL, SUBJECTING THE ASSEMBLED SHEETS AND STRIPS TO HEAT AND PRESSURE BETWEEN THE PLATENS OF A PRESS AT A STARTING TEMPERATURE OF APPROXIMATELY 300*F. AND THE PLATEN PRESSURE BEING APPLIED INITIALLY AT 50 POUNDS PER SQUARE INCH AND MAINTAINED UNTIL THE TEMPERATURE IN THE WOOD STRIPS HAS REACHED APPROXIMATELY 285*F., THEN BEING INCREASED TO APPROXIMATELY 200 PER SQUARE INCH AND WHILE THE PLATEN HEAT IS DISCONTINUED, THUS CAUSING A GRADUAL LOWERING OF HEAT THEREIN, REMOVING THE PRESSED ARTICLE FROM BETWEEN THE PLATENS WHEN THE TEMPERATURE THEREIN HAS LOWERED TO APPROXIMATELY 100*F., AND CAUSING THE ARTICLE TO COOL GRADUALLY UNDER ATMOSPHERIC CONDITION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-31 | 1961-09-30 | 1962-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-31 | 1965-09-30 | 1966-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-31 | 1969-09-30 | 1970-04-01 | $7700.00 | Window Closed / Lapsed |