Patent US3284926A successfully refreshed from Google Patents.
US3284926A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Model set for representing structures of chemicals
Assignee: BRONWILL SCIENT DIVISION OF WI
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Filing: 1963-11-14
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Granted: 1966-11-15
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Expires: 1983-11-14
Abstract
No abstract record available.
Inventors
- 👤 John C Godfrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:00
CPC Classifications
G; G09; G09B; G09B23/00; G09B23/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A SET FOR MAKING MODELS OF MOLECULAR STRUCTURES COMPRISING A PLURALITY OF PIECES, EACH OF WHICH IS FLAT AND HAS PLANE PARALLEL SIDES, AND EACH OF WHICH HAS AT LEAST ONE CIRCULAR ARCUATE PORTION AND AT LEAST ONE PEG PROJECTING RADIALLY THEREFROM, CERTAIN PIECES HAVING SLOTS THEREIN WHICH EXTEND RADIALLY OF THE AXIS OF SAID ARCUATE PORTION, AND WHICH HAVE PARALLEL PLANE SIDES AND A WIDTH EQUAL TO THE THICKNESS OF OTHER PIECES, AND WHICH EXTEND TO SAID AXIS, TO INTERFIT WITH OTHER LIKE PIECES TO REPRESENT MOLE CULES COMPOSED OF A PLURALITY OF LIKE ATOMS.
Claim 2
Dependent Claim
96 words
A SET FOR MAKING MODELS OF MOLECULAR STRUCTURES COMPRISING A PLURALITY OF PIECES, EACH OF WHICH IS FLAT AND HAS PLANE PARALLEL SIDES, AND EACH OF WHICH HAS AT LEAST ONE CIRCULAR ARCUATE PORTION AND AT LEAST ONE PEG PROJECTING RADIALLY THEREFROM, CERTAIN PIECES HAVING SLOTS THEREIN WHICH EXTEND RADIALLY OF THE AXIS OF SAID ARCUATE PORTION, AND WHICH HAVE PARALLEL PLANE SIDES AND A WIDTH EQUAL TO THE THICKNESS OF OTHER PIECES, AND WHICH EXTEND TO SAID AXIS, TO INTERFIT WITH OTHER LIKE PIECES TO REPRESENT MOLE CULES COMPOSED OF A PLURALITY OF LIKE ATOMS.
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 |