US3606726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and machine for making dunnage devices
Assignee: INTERCRAFT IND CORP
•
Filing: 1969-08-07
•
Granted: 1971-09-21
•
Expires: 1989-08-07
Abstract
Abstract THERE IS DISCLOSED A MACHINE AND A METHOD FOR UTILIZING WASTE PAPER PRODUCTS AND THE LIKE BY STUFFING THE SAME INTO A FLEXIBLE TUBING TO FORM PERFORATED DUNNAGE LINKS. THE DUNNAGE LINKS ARE USED SEPARATELY OF JOINED TOGETHER TO FORM A MAT. THE DUNNAGE LINKS ARE MADE, ONE AFTER ANOTHER, BY TRANSPORTING FLEXIBLE TUBING WHILE ENCIRCLING A HOLLOW MANDREL AND SIMULTANEOUSLY TRANSPORTING THE WASTE PRODUCTS THROUGH THE MANDREL AND INTO THE TUBING. AFTER A PREDETERMINED LENGTH OF FILLED TUBING IS FORMED, IT IS SEALED AND SEVERED.
Inventors
- 👤 Maurice Spertus
- 👤 Charles K Goldberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:18
CPC Classifications
B; B31; B31D; B31D5/00; B31D5/0039; B31D5/0073; B31D5/0078; Y; Y10; Y10S; Y10S493/00; Y10S493/967
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |