Patent US3910620A successfully refreshed from Google Patents.
US3910620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature vacuum pad lift
Assignee: FKI Industries Inc
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Filing: 1974-04-15
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Granted: 1975-10-07
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Expires: 1994-04-15
Abstract
Abstract A high temperature lifting pad comprising a body and a ring on said body made of elastomeric material. The ring has an exposed surface for contacting an article to be lifted and a layer of quartz cloth is bonded to said exposed surface.
Inventors
- 👤 Gene Sperry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:23
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/02; B66C1/0293; B25; B25B; B25B11/00; B25B11/005; B25B11/007; B66C1/0212; B66C1/0231; B66C1/0237; B66C1/0243
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
43 words
A high temperature lifting pad comprising a body, a ring on said body, said ring being made of elastomeric material, said ring having an exposed surface for contacting an article to be lifted, a layer of quartz cloth bonded to said exposed surface.
Claim 2
Dependent Claim
43 words
A high temperature lifting pad comprising a body, a ring on said body, said ring being made of elastomeric material, said ring having an exposed surface for contacting an article to be lifted, a layer of quartz cloth bonded to said exposed surface.
Claim 3
Dependent Claim
18 words
The combination set forth in claim 1 wherein said layer of quartz cloth is molded onto said surface.
Claim 4
Dependent Claim
14 words
The combination set forth in claim 1 wherein said elastomeric material comprises silicone rubber.
Claim 5
Dependent Claim
36 words
The combination set forth in claim 1 including a scuff pad of elastomeric material on said body surrounded by said ring and a layer of quartz cloth bonded to the exposed surface of said scuff pad.
Claim 6
Dependent Claim
18 words
The combination set forth in claim 4 wherein said elastomeric material of said scuff pad comprises silicone rubber.
Claim 7
Dependent Claim
71 words
A high temperature lifting pad comprising a body, a ring on said body, said ring being made of elastomeric material, said ring having an exposed surface for contacting an article to be lifted, a layer of quartz cloth molded to said exposed surface, a scuff pad of elastomeric material on said body surrounded by said ring, and a layer of quartz cloth molded to the exposed surface of said scuff pad.
Claim 8
Dependent Claim
71 words
A high temperature lifting pad comprising a body, a ring on said body, said ring being made of elastomeric material, said ring having an exposed surface for contacting an article to be lifted, a layer of quartz cloth molded to said exposed surface, a scuff pad of elastomeric material on said body surrounded by said ring, and a layer of quartz cloth molded to the exposed surface of said scuff pad.
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) | 1978-10-06 | 1979-04-07 | 1979-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-06 | 1983-04-07 | 1983-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-06 | 1987-04-07 | 1987-10-07 | $7700.00 | Window Closed / Lapsed |