US3266710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiwall bag and method of making same
Assignee: International Paper Co
•
Filing: 1961-12-12
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Granted: 1966-08-16
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Expires: 1981-12-12
Abstract
No abstract record available.
Inventors
- 👤 Robert L Reeves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:47
CPC Classifications
B; B65; B65D; B65D31/00; B65D31/04; B31; B31B; B31B2155/00; B31B2155/001; B31B2155/0012; B31B2155/003; B31B2170/00; B31B2170/20; B31B2170/204; Y; Y10; Y10S; Y10S493/00; Y10S493/916; Y10S493/917; Y10S493/922; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1008; Y10T156/1013
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A MULTIWALL BAG COMPRISED OF AT LEAST TWO PLIES OF SHEET MATERIAL (A) CROSS-PASTED AT SPACED INTERVALS; (B) ENFOLDED ABOUT A PLASTIC SEAMLESS TUBULAR MEMBER, THE ENFOLDING SHEET MATERIAL HAVING AN INSIDE WIDTH GREATER THAN THE OUTSIDE WIDTH OF THE TUBULAR MEMBER; (C) CUT
Claim 2
Dependent Claim
44 words
A MULTIWALL BAG COMPRISED OF AT LEAST TWO PLIES OF SHEET MATERIAL (A) CROSS-PASTED AT SPACED INTERVALS; (B) ENFOLDED ABOUT A PLASTIC SEAMLESS TUBULAR MEMBER, THE ENFOLDING SHEET MATERIAL HAVING AN INSIDE WIDTH GREATER THAN THE OUTSIDE WIDTH OF THE TUBULAR MEMBER; (C) CUT
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |