US3131810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packaging
Assignee: WR Grace and Co
•
Filing: 1962-07-06
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Granted: 1964-05-05
•
Expires: 1982-07-06
Abstract
No abstract record available.
Inventors
- 👤 Robert L Dreyfus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:20
CPC Classifications
B; B65; B65B; B65B53/00; B65B53/02; B65B53/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
58 words
AN ARTICLE HAVING PARALLEL FRONT AND BACK SIDES, AND SIDS CONNECTING SAID FRONT AND BACK, SAID ARTICLE BEING ENCAPSULATED IN A SINGLE THICKNESS TUBING OF A HIGH SHRINK ENERGY PLASTIC, SAID TUBING HAVING TWO OPEN ENDS, BOTH OPEN ENDS OF THE TUBING BEING IN SHRUNK, THICKENED CONDITION AND BOTH OPEN ENDS BEING ON THE BACK OF SAID ARTICLE.
References Cited (Backward Citations)
US2174924A
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US2480368A
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US2878174A
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US2945792A
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US2969141A
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US3022543A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |