Patent US3301738A successfully refreshed from Google Patents.
US3301738A
Expired / Lapsed
US
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Tear resistant material comprising perforated sheet
Assignee: Griffolyn Co Inc
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Filing: 1963-12-11
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Granted: 1967-01-31
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Expires: 1983-12-11
Abstract
No abstract record available.
Inventors
- 👤 Risto P Lappala
- 👤 Nicholas J Haight
- 👤 John M Diehl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:22
CPC Classifications
B; B65; B65D; B65D65/00; B65D65/38; B65D65/40; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/16; B29C70/22; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24025; Y10T428/24058; Y10T428/24273; Y10T428/24479; Y10T428/24752; Y10T428/24802; Y10T428/249921; Y10T428/249922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A NONRIGID ARTICLE COMPRISING IN COMBINATION A FLEXIBLE WEB OF APERTURED MATERIAL AND REINFORCING STRANDS, SAID STRANDS HAVING BIGHT-LIKE LOOPS EXTENDING THROUGH SAID APERTURES, EACH OF SAID LOOPS HAVING AT LEAST ONE LOOP FROM ANOTHER O SAID STRANDS EXTENDING FROM AN ADJACENT APERTURE PASSING THERETHROUGH, SAID STRANDS SERVING TO REINFORCE SAID WEB, SAID STRANDS BEING SUBSTNATIALLY UNSTRESSED.
Claim 2
Dependent Claim
57 words
A NONRIGID ARTICLE COMPRISING IN COMBINATION A FLEXIBLE WEB OF APERTURED MATERIAL AND REINFORCING STRANDS, SAID STRANDS HAVING BIGHT-LIKE LOOPS EXTENDING THROUGH SAID APERTURES, EACH OF SAID LOOPS HAVING AT LEAST ONE LOOP FROM ANOTHER O SAID STRANDS EXTENDING FROM AN ADJACENT APERTURE PASSING THERETHROUGH, SAID STRANDS SERVING TO REINFORCE SAID WEB, SAID STRANDS BEING SUBSTNATIALLY UNSTRESSED.
References Cited (Backward Citations)
US1323979A
Cited
US2708177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |