US3217971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Containers formed of flexible sheet material providing one or more tie-strips
Assignee: Individual
•
Filing: 1964-08-13
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Granted: 1965-11-16
•
Expires: 1984-08-13
Abstract
No abstract record available.
Inventors
- 👤 Roman E Shvetz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:14
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/16; B65D33/1616; B65D33/165; Y; Y10; Y10T; Y10T24/00; Y10T24/15; Y10T24/157
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A CONTAINER FORMED OF FLEXIBLE SHEET MATERIAL COMPRISING A FRONT AND REAR PROVIDED PARALLELT TO AND ADJACENT TO ONE EDGE WITH A RUPTURABLE SEPARATION LINE EXTENDING LESS THAN THE FULL LENGTH OF SAID EDGE, SAID FRONT AND REAR BEING UNITED AT A PORTION EXTENDING AT LEAST FROM A LINE IN PROXIMITY TO SAID RUPTURABLE LINE TO A LINE IN PROXIMITY TO SAID EDGE AND EXTENDING LATERALLY BEYOND SAID RUPTURABLE LINE, TO PROVIDE UPON THE RUPTURE OF SAID REPTURABLE
Claim 2
Dependent Claim
78 words
A CONTAINER FORMED OF FLEXIBLE SHEET MATERIAL COMPRISING A FRONT AND REAR PROVIDED PARALLELT TO AND ADJACENT TO ONE EDGE WITH A RUPTURABLE SEPARATION LINE EXTENDING LESS THAN THE FULL LENGTH OF SAID EDGE, SAID FRONT AND REAR BEING UNITED AT A PORTION EXTENDING AT LEAST FROM A LINE IN PROXIMITY TO SAID RUPTURABLE LINE TO A LINE IN PROXIMITY TO SAID EDGE AND EXTENDING LATERALLY BEYOND SAID RUPTURABLE LINE, TO PROVIDE UPON THE RUPTURE OF SAID REPTURABLE
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) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |