US2740740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making bags
Assignee: Individual
•
Filing: 1952-12-12
•
Granted: 1956-04-03
•
Expires: 1972-12-12
Abstract
No abstract record available.
Inventors
- 👤 Frederick C Binnall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:06
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/01; B26D1/04; B31; B31B; B31B70/00; B31B2155/00; B31B2155/003; B31B2160/00; B31B2160/10; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1054
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
THE METHOD OF MAKING BAGS FROM A WEB OF TUBULAR, THERMOSPLASTIC FILM STOCK COMPRISING THE STEPS OF SEVERING THE WEB TRANSVERSELY OF ITS LENGTH AND SIMULTANEOUSLY SEALING THE PARTED EDGES OF THE FILM STOCK AT TWO SPACEDAPART LOCATIONS ALONG THE LENGTH OF THE WEB, AND CUTTING
Claim 2
Independent Claim
46 words
THE METHOD OF MAKING BAGS FROM A WEB OF TUBULAR, THERMOSPLASTIC FILM STOCK COMPRISING THE STEPS OF SEVERING THE WEB TRANSVERSELY OF ITS LENGTH AND SIMULTANEOUSLY SEALING THE PARTED EDGES OF THE FILM STOCK AT TWO SPACEDAPART LOCATIONS ALONG THE LENGTH OF THE WEB, AND CUTTING
References Cited (Backward Citations)
US2125758A
Cited
US2185647A
Cited
US2195583A
Cited
US2232640A
Cited
US2347439A
Cited
US2423187A
Cited
US2652879A
Cited
US2650182A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |