Patent US3345668A successfully refreshed from Google Patents.
US3345668A
Expired / Lapsed
US
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Abrasive article
Assignee: GAF Chemicals Corp
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Filing: 1965-04-16
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Granted: 1967-10-10
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Expires: 1985-04-16
Abstract
No abstract record available.
Inventors
- 👤 John L Forrest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:21
CPC Classifications
A; A47; A47L; A47L17/00; A47L17/04; A47L17/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A UNITRAY PAD STRUCTURE OF HIGH-POROSITY COMPRISING A UNIFORM, NON-WOVEN, LOFTY, THREE-DIMENSIONAL WEBTYPE STRUCTURE HAVING A PLURALITY OF RANDOMLY TRI-DIMENSIONALLY EXTENDING, DURABLE, TOUGH, RESILIENT ORGANIC PLASTIC RIBBON STRIPS, SAID STRIPS COMPOSED OF A SUBBED PHOTOGRAPHIC FILM BASE WHEREIN THE SUBBING MATERIAL OF SAID PHOTOGRAPHIC-FILM BASE CONSTIUTES THE BINDER MATERIAL WHEREBY SAID STRIPS ARE FIRMLY BONDED AT THEIR SPACED POINTS OF CONTACT; THE MUTUAL ENTANGLEMENT OF SAID STRIPS DEFINING A LABYRINTH OF TRI-DIMENSIONALLY EXTENDING INTERCOMMUNICATING VOIDS,
Claim 2
Dependent Claim
75 words
A UNITRAY PAD STRUCTURE OF HIGH-POROSITY COMPRISING A UNIFORM, NON-WOVEN, LOFTY, THREE-DIMENSIONAL WEBTYPE STRUCTURE HAVING A PLURALITY OF RANDOMLY TRI-DIMENSIONALLY EXTENDING, DURABLE, TOUGH, RESILIENT ORGANIC PLASTIC RIBBON STRIPS, SAID STRIPS COMPOSED OF A SUBBED PHOTOGRAPHIC FILM BASE WHEREIN THE SUBBING MATERIAL OF SAID PHOTOGRAPHIC-FILM BASE CONSTIUTES THE BINDER MATERIAL WHEREBY SAID STRIPS ARE FIRMLY BONDED AT THEIR SPACED POINTS OF CONTACT; THE MUTUAL ENTANGLEMENT OF SAID STRIPS DEFINING A LABYRINTH OF TRI-DIMENSIONALLY EXTENDING INTERCOMMUNICATING VOIDS,
References Cited (Backward Citations)
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US2327199A
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US2601771A
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CH303614A
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US2743511A
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US2958593A
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US3252176A
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US3284963A
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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) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |