Patent US399540A successfully refreshed from Google Patents.
US2750719A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packaging method
Assignee: Ind Radiant Heat Corp
•
Filing: 1952-04-21
•
Granted: 1956-06-19
•
Expires: 1972-04-21
Abstract
No abstract record available.
Inventors
- 👤 Richard F Wandelt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:03
CPC Classifications
B; B65; B65B; B65B11/00; B65B11/50; B65B11/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A PACKAGING METHOD INCLUDING APPLYING A PROFILE OF THERMOACTIVE ADHESIVE TO A SHEET AND FORMING A PLURALITY OF INTERSPACED HOLES THROUGH THE SHEET ADJACENT TO BUT SPACED FROM THE INNER LIMITS OF THE PROFILE SUPPORTING THIS SHEET BY MEANS OF A PERFORATE WALL WITH THE PROFILE FACING AWAY FROM THE WALL, PLACING AN ARTICLE TO BE PACKAGED AGAINST THE SHEET AND WITHIN THE PROFILE, APPLYING A SUBSTANTIALLY SIMILAR PROFILE OF THERMOACTIVE ADHESIVE TO A THERMOPLASTIC SHEET, POSITIONING THE THERMOPLASTIC SHEET OPPOSITE TO THE OTHER SHEET WITHOUT MATERIAL DEFORMATION DUE TO CONTACTING THE ARTICLE AND WITH THE PROFILES INTERFACING, SEALING THE SPACE BETWEEN THE THERMOPLASTIC SHEET AND THE WALL AIR-TIGHTLY, HEATING THE THERMOPLASTIC SHEET THROUGHOUT TO RENDER IT PLASTIC, AND APPLYING SUCTION TO THE SIDE OF THE PERFORATE WALL OPPOSITE TO THE SHEETS AND THE ARTICLE THEREBETWEEN.
Claim 2
Dependent Claim
136 words
A PACKAGING METHOD INCLUDING APPLYING A PROFILE OF THERMOACTIVE ADHESIVE TO A SHEET AND FORMING A PLURALITY OF INTERSPACED HOLES THROUGH THE SHEET ADJACENT TO BUT SPACED FROM THE INNER LIMITS OF THE PROFILE SUPPORTING THIS SHEET BY MEANS OF A PERFORATE WALL WITH THE PROFILE FACING AWAY FROM THE WALL, PLACING AN ARTICLE TO BE PACKAGED AGAINST THE SHEET AND WITHIN THE PROFILE, APPLYING A SUBSTANTIALLY SIMILAR PROFILE OF THERMOACTIVE ADHESIVE TO A THERMOPLASTIC SHEET, POSITIONING THE THERMOPLASTIC SHEET OPPOSITE TO THE OTHER SHEET WITHOUT MATERIAL DEFORMATION DUE TO CONTACTING THE ARTICLE AND WITH THE PROFILES INTERFACING, SEALING THE SPACE BETWEEN THE THERMOPLASTIC SHEET AND THE WALL AIR-TIGHTLY, HEATING THE THERMOPLASTIC SHEET THROUGHOUT TO RENDER IT PLASTIC, AND APPLYING SUCTION TO THE SIDE OF THE PERFORATE WALL OPPOSITE TO THE SHEETS AND THE ARTICLE THEREBETWEEN.
References Cited (Backward Citations)
USRE20564E
Cited
US1003114A
Cited
US1871687A
Cited
US1970193A
Cited
US2155445A
Cited
US2210509A
Cited
US2387812A
Cited
US2461660A
Cited
US2546721A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-19 | 1959-12-19 | 1960-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-19 | 1963-12-19 | 1964-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-19 | 1967-12-19 | 1968-06-19 | $7700.00 | Window Closed / Lapsed |