Patent US5695457A successfully refreshed from Google Patents.
Patent US3310453A successfully refreshed from Google Patents.
US3310453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tear resistant material
Assignee: Bjorksten Research Laboratories Inc
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Filing: 1960-12-05
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Granted: 1967-03-21
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Expires: 1980-12-05
Abstract
No abstract record available.
Inventors
- 👤 Risto P Lappala
- 👤 John M Diehl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:39
CPC Classifications
B; B32; B32B; B32B27/00; E; E02; E02D; E02D3/00; Y; Y10; Y10T; Y10T428/00; Y10T428/22; Y10T428/24; Y10T428/24025; Y10T428/24058; Y10T428/24074; Y10T428/24091; Y10T428/24479; Y10T428/2457; Y10T428/24612; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/31504; Y10T428/31678; Y10T428/31681; Y10T442/00; Y10T442/10; Y10T442/184; Y10T442/188
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A TEAR RESISTANT MATERIAL COMPRISING A NON-WOVEN GRID COMPRISING AT LEAST TWO SETS OF CROSS-LAID, ELONGATED METAL STRANDS WHICH INTERSECT, A SINGLE LAMINA OF ELONGATABLE, NON-POROUS, FLEXIBLE, FOLDABLE SYNTHETIC RESIN CONTIGUOUS AND COEXTENSIVE WITH THE STRANDS OF SAID GRID, SAID STRANDS PROVIDED WITH ENCIRCLING METAL FASTENING MEANS AT THE INTERSECTIONS THEEOF WHICH HOLD SAID MEMBERS TOGETHER YET DO NO UNDULY RESTRICT THE SLIDING OF SAID STRANDS WITH RESPECT TO EACH OTHER AND DO NOT UNDULY RESTRICT THE SLIDING OF SAID FASTENING MEANS WITH RESPECT TO SAID STRANDS AND DO NT UNDULY RESTRICT THE FREE-VARYING OF THE ANGLES OF INTERSECTION OF SAID STRANDS.
Claim 2
Dependent Claim
102 words
A TEAR RESISTANT MATERIAL COMPRISING A NON-WOVEN GRID COMPRISING AT LEAST TWO SETS OF CROSS-LAID, ELONGATED METAL STRANDS WHICH INTERSECT, A SINGLE LAMINA OF ELONGATABLE, NON-POROUS, FLEXIBLE, FOLDABLE SYNTHETIC RESIN CONTIGUOUS AND COEXTENSIVE WITH THE STRANDS OF SAID GRID, SAID STRANDS PROVIDED WITH ENCIRCLING METAL FASTENING MEANS AT THE INTERSECTIONS THEEOF WHICH HOLD SAID MEMBERS TOGETHER YET DO NO UNDULY RESTRICT THE SLIDING OF SAID STRANDS WITH RESPECT TO EACH OTHER AND DO NOT UNDULY RESTRICT THE SLIDING OF SAID FASTENING MEANS WITH RESPECT TO SAID STRANDS AND DO NT UNDULY RESTRICT THE FREE-VARYING OF THE ANGLES OF INTERSECTION OF SAID STRANDS.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |