US3353656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Holder for electron microscopy grids
Assignee: BETTER EQUIPMENT FOR ELECTRON MICROSCOPY Inc
•
Filing: 1965-03-12
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Granted: 1967-11-21
•
Expires: 1985-03-12
Abstract
No abstract record available.
Inventors
- 👤 Brown Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:06
CPC Classifications
A; A45; A45C; A45C11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A CONTAINER FOR SMALL ARTICLES COMPRISING IN COMBINTION A BASE AND A COVER, SAID BASE BEING INDENTED TO PROVIDE A PLURALITY OF CRUCIFORM RECESSES, SAID CRUCIFORM RECESSES COMPRISING MUTUALLY PERPENDICULAR SLOTS WITH RE-ENTRANT ANGLES THEREOF ROUNDED OFF TO FORM CONVEX SHOULDERS, SAID COVER BEING PIVOTALLY MOUNTED ON SAID BASE AND BEING PROVIDED WITH AN ACCESS OPENING CAPABLE OF REGISTERING WITH NO MORE THAN ONE OF SAID RECESSES AT ANY GIVEN TIME.
Claim 2
Dependent Claim
71 words
A CONTAINER FOR SMALL ARTICLES COMPRISING IN COMBINTION A BASE AND A COVER, SAID BASE BEING INDENTED TO PROVIDE A PLURALITY OF CRUCIFORM RECESSES, SAID CRUCIFORM RECESSES COMPRISING MUTUALLY PERPENDICULAR SLOTS WITH RE-ENTRANT ANGLES THEREOF ROUNDED OFF TO FORM CONVEX SHOULDERS, SAID COVER BEING PIVOTALLY MOUNTED ON SAID BASE AND BEING PROVIDED WITH AN ACCESS OPENING CAPABLE OF REGISTERING WITH NO MORE THAN ONE OF SAID RECESSES AT ANY GIVEN TIME.
References Cited (Backward Citations)
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Cited
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Cited
US2965219A
Cited
US3095085A
Cited
US3085679A
Cited
US3143207A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |