US3284962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Holding tool
Assignee: North American Aviation Corp
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Filing: 1963-11-15
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Granted: 1966-11-15
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Expires: 1983-11-15
Abstract
No abstract record available.
Inventors
- 👤 Albert C Hott
- 👤 Vinton C Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:54
CPC Classifications
B; B24; B24B; B24B41/00; B24B41/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A HOLDING TOOL FOR THIN SECTIONING COMPRISING: (A) FIRST AND SECOND MOVABLE MEMBERS HAVING OPPOSED SURFACES IN A SPACED-APART RELATIONSHIP, (B) CONNECTOR MEANS JOINING SAID FIRST AND SECOND MEMBERS AND LIMITING THE SPACED-APART RELATIONSHIP OF SAID FIRST AND SECOND MEMBERS, (C) SPRING MEANS ASSOCIATED WITH SAID FIRST AND SECOND MEMBERS, (D) SAID SPRING MEANS MOVING AT LEAST ONE OF SAID FIRST AND SECOND MEMBERS WITH RESPECT TO THE OTHER, (E) RESILIENT MEANS CARRIED BY AN EXPOSED SURFACE OF SAID FIRST MEMBER TO RECEIVE AT LEAST ONE SPECIMEN SLIDE, (F) A MOVABLE SHELL MEMBER GENERALLY SURROUNDING SAID FIRST AND SECOND MEMBERS, (G) SAID SHELL MEMBER SUITABLY FORMED FROM A MAGNETIC MATERIAL, AND (H) CLAMP MEANS ASSOCIATED WITH SAID SHELL MEMBER TO BEAR UPON THE SPECIMEN SLIDE SO THAT A MAGNETIC MEANS COOPERATING WITH THE HOLDING TOOL ATTRACTS SAID SHELL MEMBER AND SAID CLAMP MEANS TO SUBSTANTIALLY OVERCOME SPRING MEANS AND DEPRESS THE SLIDE AND SAID RESILIENT MEANS.
Claim 2
Dependent Claim
156 words
A HOLDING TOOL FOR THIN SECTIONING COMPRISING: (A) FIRST AND SECOND MOVABLE MEMBERS HAVING OPPOSED SURFACES IN A SPACED-APART RELATIONSHIP, (B) CONNECTOR MEANS JOINING SAID FIRST AND SECOND MEMBERS AND LIMITING THE SPACED-APART RELATIONSHIP OF SAID FIRST AND SECOND MEMBERS, (C) SPRING MEANS ASSOCIATED WITH SAID FIRST AND SECOND MEMBERS, (D) SAID SPRING MEANS MOVING AT LEAST ONE OF SAID FIRST AND SECOND MEMBERS WITH RESPECT TO THE OTHER, (E) RESILIENT MEANS CARRIED BY AN EXPOSED SURFACE OF SAID FIRST MEMBER TO RECEIVE AT LEAST ONE SPECIMEN SLIDE, (F) A MOVABLE SHELL MEMBER GENERALLY SURROUNDING SAID FIRST AND SECOND MEMBERS, (G) SAID SHELL MEMBER SUITABLY FORMED FROM A MAGNETIC MATERIAL, AND (H) CLAMP MEANS ASSOCIATED WITH SAID SHELL MEMBER TO BEAR UPON THE SPECIMEN SLIDE SO THAT A MAGNETIC MEANS COOPERATING WITH THE HOLDING TOOL ATTRACTS SAID SHELL MEMBER AND SAID CLAMP MEANS TO SUBSTANTIALLY OVERCOME SPRING MEANS AND DEPRESS THE SLIDE AND SAID RESILIENT MEANS.
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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |